Home / 31,887.52-47,838.56-15,251.74

Finding the Fourth Proportional to 31,887.52, 47,838.56 and 15,251.74

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Solution

The fourth proportional to 31,887.52, 47,838.56 and 15,251.74 is: 22,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887.52 : 47,838.56 = 15,251.74 : x
  2. Step 2: Convert to fraction form
    31,887.52/47,838.56 = 15,251.74/x
  3. Step 3: Cross multiply
    31,887.52x = 47,838.56 × 15,251.74
  4. Step 4: Simplify right side
    31,887.52x = 729,621,279.09
  5. Step 5: Solve for x
    x = 729,621,279.09/31,887.52
  6. Step 6: Final answer
    x = 22,881.09

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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.