Home / 28,727.04-39,642.12-16,151.52

Finding the Fourth Proportional to 28,727.04, 39,642.12 and 16,151.52

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Solution

The fourth proportional to 28,727.04, 39,642.12 and 16,151.52 is: 22,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.04 : 39,642.12 = 16,151.52 : x
  2. Step 2: Convert to fraction form
    28,727.04/39,642.12 = 16,151.52/x
  3. Step 3: Cross multiply
    28,727.04x = 39,642.12 × 16,151.52
  4. Step 4: Simplify right side
    28,727.04x = 640,280,494.02
  5. Step 5: Solve for x
    x = 640,280,494.02/28,727.04
  6. Step 6: Final answer
    x = 22,288.43

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1.5x scale

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.