Home / 22,759.52-34,138.94-13,877.47

Finding the Fourth Proportional to 22,759.52, 34,138.94 and 13,877.47

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Solution

The fourth proportional to 22,759.52, 34,138.94 and 13,877.47 is: 20,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.52 : 34,138.94 = 13,877.47 : x
  2. Step 2: Convert to fraction form
    22,759.52/34,138.94 = 13,877.47/x
  3. Step 3: Cross multiply
    22,759.52x = 34,138.94 × 13,877.47
  4. Step 4: Simplify right side
    22,759.52x = 473,761,875.60
  5. Step 5: Solve for x
    x = 473,761,875.60/22,759.52
  6. Step 6: Final answer
    x = 20,815.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.