Home / 27,631.20-38,132.01-15,694.14

Finding the Fourth Proportional to 27,631.20, 38,132.01 and 15,694.14

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Solution

The fourth proportional to 27,631.20, 38,132.01 and 15,694.14 is: 21,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.20 : 38,132.01 = 15,694.14 : x
  2. Step 2: Convert to fraction form
    27,631.20/38,132.01 = 15,694.14/x
  3. Step 3: Cross multiply
    27,631.20x = 38,132.01 × 15,694.14
  4. Step 4: Simplify right side
    27,631.20x = 598,449,103.42
  5. Step 5: Solve for x
    x = 598,449,103.42/27,631.20
  6. Step 6: Final answer
    x = 21,658.46

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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.