Home / 19,432.52-29,149.32-7,585.82

Finding the Fourth Proportional to 19,432.52, 29,149.32 and 7,585.82

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Solution

The fourth proportional to 19,432.52, 29,149.32 and 7,585.82 is: 11,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.52 : 29,149.32 = 7,585.82 : x
  2. Step 2: Convert to fraction form
    19,432.52/29,149.32 = 7,585.82/x
  3. Step 3: Cross multiply
    19,432.52x = 29,149.32 × 7,585.82
  4. Step 4: Simplify right side
    19,432.52x = 221,121,348.90
  5. Step 5: Solve for x
    x = 221,121,348.90/19,432.52
  6. Step 6: Final answer
    x = 11,378.94

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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.