Home / 26,631.76-39,942.15-12,585.82

Finding the Fourth Proportional to 26,631.76, 39,942.15 and 12,585.82

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Solution

The fourth proportional to 26,631.76, 39,942.15 and 12,585.82 is: 18,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.76 : 39,942.15 = 12,585.82 : x
  2. Step 2: Convert to fraction form
    26,631.76/39,942.15 = 12,585.82/x
  3. Step 3: Cross multiply
    26,631.76x = 39,942.15 × 12,585.82
  4. Step 4: Simplify right side
    26,631.76x = 502,704,710.31
  5. Step 5: Solve for x
    x = 502,704,710.31/26,631.76
  6. Step 6: Final answer
    x = 18,876.14

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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.