Home / 20,031.59-27,612.91-14,988.17

Finding the Fourth Proportional to 20,031.59, 27,612.91 and 14,988.17

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Solution

The fourth proportional to 20,031.59, 27,612.91 and 14,988.17 is: 20,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.59 : 27,612.91 = 14,988.17 : x
  2. Step 2: Convert to fraction form
    20,031.59/27,612.91 = 14,988.17/x
  3. Step 3: Cross multiply
    20,031.59x = 27,612.91 × 14,988.17
  4. Step 4: Simplify right side
    20,031.59x = 413,866,989.27
  5. Step 5: Solve for x
    x = 413,866,989.27/20,031.59
  6. Step 6: Final answer
    x = 20,660.72

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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.