Home / 26,269.11-39,379.10-11,465.91

Finding the Fourth Proportional to 26,269.11, 39,379.10 and 11,465.91

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Solution

The fourth proportional to 26,269.11, 39,379.10 and 11,465.91 is: 17,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.11 : 39,379.10 = 11,465.91 : x
  2. Step 2: Convert to fraction form
    26,269.11/39,379.10 = 11,465.91/x
  3. Step 3: Cross multiply
    26,269.11x = 39,379.10 × 11,465.91
  4. Step 4: Simplify right side
    26,269.11x = 451,517,159.15
  5. Step 5: Solve for x
    x = 451,517,159.15/26,269.11
  6. Step 6: Final answer
    x = 17,188.14

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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.