Home / 26,488.92-39,677.22-18,129.72

Finding the Fourth Proportional to 26,488.92, 39,677.22 and 18,129.72

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Solution

The fourth proportional to 26,488.92, 39,677.22 and 18,129.72 is: 27,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.92 : 39,677.22 = 18,129.72 : x
  2. Step 2: Convert to fraction form
    26,488.92/39,677.22 = 18,129.72/x
  3. Step 3: Cross multiply
    26,488.92x = 39,677.22 × 18,129.72
  4. Step 4: Simplify right side
    26,488.92x = 719,336,888.98
  5. Step 5: Solve for x
    x = 719,336,888.98/26,488.92
  6. Step 6: Final answer
    x = 27,156.14

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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.