Home / 28,252.20-38,989.86-16,316.04

Finding the Fourth Proportional to 28,252.20, 38,989.86 and 16,316.04

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Solution

The fourth proportional to 28,252.20, 38,989.86 and 16,316.04 is: 22,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.20 : 38,989.86 = 16,316.04 : x
  2. Step 2: Convert to fraction form
    28,252.20/38,989.86 = 16,316.04/x
  3. Step 3: Cross multiply
    28,252.20x = 38,989.86 × 16,316.04
  4. Step 4: Simplify right side
    28,252.20x = 636,160,115.35
  5. Step 5: Solve for x
    x = 636,160,115.35/28,252.20
  6. Step 6: Final answer
    x = 22,517.19

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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.