Home / 26,446.32-39,665.20-7,721.95

Finding the Fourth Proportional to 26,446.32, 39,665.20 and 7,721.95

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Solution

The fourth proportional to 26,446.32, 39,665.20 and 7,721.95 is: 11,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,446.32 : 39,665.20 = 7,721.95 : x
  2. Step 2: Convert to fraction form
    26,446.32/39,665.20 = 7,721.95/x
  3. Step 3: Cross multiply
    26,446.32x = 39,665.20 × 7,721.95
  4. Step 4: Simplify right side
    26,446.32x = 306,292,691.14
  5. Step 5: Solve for x
    x = 306,292,691.14/26,446.32
  6. Step 6: Final answer
    x = 11,581.68

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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.