The final price is $ 22.68 And Proportional constant is 1.4
Step-by-step explanation:
Given as :
The Original price = $ 16.20
The rate of increase = 40%
Let The final price = x
Now,
Final price after increase = initial price × ( 1 + ![\frac{\textrm Rate}{100}](/tpl/images/0389/0834/c534b.png)
Or. Final price after increase = $ 16.20 × ( 1 + ![\frac{\textrm 40}{100}](/tpl/images/0389/0834/8ca20.png)
Or, Final price after increase = $ 16.20 × ( 1.4 )
∴ Final price after increase = $ 22.68
Now , Proportional constant = ![\frac{22.68}{16.20}](/tpl/images/0389/0834/a82d4.png)
I.e Proportional constant = 1.4
Hence The final price is $ 22.68 And Proportional constant is 1.4 Answer