Home / 25,508.52-38,260.62-8,865.72

Finding the Fourth Proportional to 25,508.52, 38,260.62 and 8,865.72

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Solution

The fourth proportional to 25,508.52, 38,260.62 and 8,865.72 is: 13,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.52 : 38,260.62 = 8,865.72 : x
  2. Step 2: Convert to fraction form
    25,508.52/38,260.62 = 8,865.72/x
  3. Step 3: Cross multiply
    25,508.52x = 38,260.62 × 8,865.72
  4. Step 4: Simplify right side
    25,508.52x = 339,207,943.95
  5. Step 5: Solve for x
    x = 339,207,943.95/25,508.52
  6. Step 6: Final answer
    x = 13,297.83

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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.