Home / 19,654.56-27,102.92-15,179.04

Finding the Fourth Proportional to 19,654.56, 27,102.92 and 15,179.04

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Solution

The fourth proportional to 19,654.56, 27,102.92 and 15,179.04 is: 20,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.56 : 27,102.92 = 15,179.04 : x
  2. Step 2: Convert to fraction form
    19,654.56/27,102.92 = 15,179.04/x
  3. Step 3: Cross multiply
    19,654.56x = 27,102.92 × 15,179.04
  4. Step 4: Simplify right side
    19,654.56x = 411,396,306.80
  5. Step 5: Solve for x
    x = 411,396,306.80/19,654.56
  6. Step 6: Final answer
    x = 20,931.34

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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.