Home / 22,679.11-34,034.15-7,887.88

Finding the Fourth Proportional to 22,679.11, 34,034.15 and 7,887.88

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Solution

The fourth proportional to 22,679.11, 34,034.15 and 7,887.88 is: 11,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.11 : 34,034.15 = 7,887.88 : x
  2. Step 2: Convert to fraction form
    22,679.11/34,034.15 = 7,887.88/x
  3. Step 3: Cross multiply
    22,679.11x = 34,034.15 × 7,887.88
  4. Step 4: Simplify right side
    22,679.11x = 268,457,291.10
  5. Step 5: Solve for x
    x = 268,457,291.10/22,679.11
  6. Step 6: Final answer
    x = 11,837.21

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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.