Home / 31,727.43-43,781.97-17,384.40

Finding the Fourth Proportional to 31,727.43, 43,781.97 and 17,384.40

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Solution

The fourth proportional to 31,727.43, 43,781.97 and 17,384.40 is: 23,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.43 : 43,781.97 = 17,384.40 : x
  2. Step 2: Convert to fraction form
    31,727.43/43,781.97 = 17,384.40/x
  3. Step 3: Cross multiply
    31,727.43x = 43,781.97 × 17,384.40
  4. Step 4: Simplify right side
    31,727.43x = 761,123,279.27
  5. Step 5: Solve for x
    x = 761,123,279.27/31,727.43
  6. Step 6: Final answer
    x = 23,989.44

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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.