Home / 28,104.04-38,787.42-16,167.16

Finding the Fourth Proportional to 28,104.04, 38,787.42 and 16,167.16

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Solution

The fourth proportional to 28,104.04, 38,787.42 and 16,167.16 is: 22,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.04 : 38,787.42 = 16,167.16 : x
  2. Step 2: Convert to fraction form
    28,104.04/38,787.42 = 16,167.16/x
  3. Step 3: Cross multiply
    28,104.04x = 38,787.42 × 16,167.16
  4. Step 4: Simplify right side
    28,104.04x = 627,082,425.13
  5. Step 5: Solve for x
    x = 627,082,425.13/28,104.04
  6. Step 6: Final answer
    x = 22,312.89

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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.