Home / 27,966.20-38,592.99-15,868.91

Finding the Fourth Proportional to 27,966.20, 38,592.99 and 15,868.91

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Solution

The fourth proportional to 27,966.20, 38,592.99 and 15,868.91 is: 21,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.20 : 38,592.99 = 15,868.91 : x
  2. Step 2: Convert to fraction form
    27,966.20/38,592.99 = 15,868.91/x
  3. Step 3: Cross multiply
    27,966.20x = 38,592.99 × 15,868.91
  4. Step 4: Simplify right side
    27,966.20x = 612,428,781.42
  5. Step 5: Solve for x
    x = 612,428,781.42/27,966.20
  6. Step 6: Final answer
    x = 21,898.90

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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.