Question

643 : 27 : : 648: ? find the answer frnds

Answer 1

Let the fourth term be X.

Then, 643: 27 :: 648 : X
=> 643 / 27 = 648/X
=> 643 × X = 27× 648
=> 643 × X = 17496
=> X = 17496/643
=> X = 27.21