Home / 27,456.52-37,891.94-15,520.96

Finding the Fourth Proportional to 27,456.52, 37,891.94 and 15,520.96

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Solution

The fourth proportional to 27,456.52, 37,891.94 and 15,520.96 is: 21,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.52 : 37,891.94 = 15,520.96 : x
  2. Step 2: Convert to fraction form
    27,456.52/37,891.94 = 15,520.96/x
  3. Step 3: Cross multiply
    27,456.52x = 37,891.94 × 15,520.96
  4. Step 4: Simplify right side
    27,456.52x = 588,119,285.06
  5. Step 5: Solve for x
    x = 588,119,285.06/27,456.52
  6. Step 6: Final answer
    x = 21,420.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.