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Finding the Fourth Proportional to 15,725.52, 23,592.24 and 5,865.12

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Solution

The fourth proportional to 15,725.52, 23,592.24 and 5,865.12 is: 8,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.52 : 23,592.24 = 5,865.12 : x
  2. Step 2: Convert to fraction form
    15,725.52/23,592.24 = 5,865.12/x
  3. Step 3: Cross multiply
    15,725.52x = 23,592.24 × 5,865.12
  4. Step 4: Simplify right side
    15,725.52x = 138,371,318.67
  5. Step 5: Solve for x
    x = 138,371,318.67/15,725.52
  6. Step 6: Final answer
    x = 8,799.16

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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.