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Finding the Fourth Proportional to 15,959.52, 23,943.60 and 5,572.08

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Solution

The fourth proportional to 15,959.52, 23,943.60 and 5,572.08 is: 8,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.52 : 23,943.60 = 5,572.08 : x
  2. Step 2: Convert to fraction form
    15,959.52/23,943.60 = 5,572.08/x
  3. Step 3: Cross multiply
    15,959.52x = 23,943.60 × 5,572.08
  4. Step 4: Simplify right side
    15,959.52x = 133,415,654.69
  5. Step 5: Solve for x
    x = 133,415,654.69/15,959.52
  6. Step 6: Final answer
    x = 8,359.63

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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.