Home / 28,931.66-39,924.60-16,356.68

Finding the Fourth Proportional to 28,931.66, 39,924.60 and 16,356.68

Calculator

Solution

The fourth proportional to 28,931.66, 39,924.60 and 16,356.68 is: 22,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.66 : 39,924.60 = 16,356.68 : x
  2. Step 2: Convert to fraction form
    28,931.66/39,924.60 = 16,356.68/x
  3. Step 3: Cross multiply
    28,931.66x = 39,924.60 × 16,356.68
  4. Step 4: Simplify right side
    28,931.66x = 653,033,906.33
  5. Step 5: Solve for x
    x = 653,033,906.33/28,931.66
  6. Step 6: Final answer
    x = 22,571.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.