Home / 27,732.28-38,267.30-15,630.44

Finding the Fourth Proportional to 27,732.28, 38,267.30 and 15,630.44

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Solution

The fourth proportional to 27,732.28, 38,267.30 and 15,630.44 is: 21,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.28 : 38,267.30 = 15,630.44 : x
  2. Step 2: Convert to fraction form
    27,732.28/38,267.30 = 15,630.44/x
  3. Step 3: Cross multiply
    27,732.28x = 38,267.30 × 15,630.44
  4. Step 4: Simplify right side
    27,732.28x = 598,134,736.61
  5. Step 5: Solve for x
    x = 598,134,736.61/27,732.28
  6. Step 6: Final answer
    x = 21,568.18

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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.