Home / 27,531.92-38,000.08-18,101.36

Finding the Fourth Proportional to 27,531.92, 38,000.08 and 18,101.36

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Solution

The fourth proportional to 27,531.92, 38,000.08 and 18,101.36 is: 24,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.92 : 38,000.08 = 18,101.36 : x
  2. Step 2: Convert to fraction form
    27,531.92/38,000.08 = 18,101.36/x
  3. Step 3: Cross multiply
    27,531.92x = 38,000.08 × 18,101.36
  4. Step 4: Simplify right side
    27,531.92x = 687,853,128.11
  5. Step 5: Solve for x
    x = 687,853,128.11/27,531.92
  6. Step 6: Final answer
    x = 24,983.84

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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.