Home / 26,310.70-39,431.49-12,463.66

Finding the Fourth Proportional to 26,310.70, 39,431.49 and 12,463.66

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Solution

The fourth proportional to 26,310.70, 39,431.49 and 12,463.66 is: 18,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.70 : 39,431.49 = 12,463.66 : x
  2. Step 2: Convert to fraction form
    26,310.70/39,431.49 = 12,463.66/x
  3. Step 3: Cross multiply
    26,310.70x = 39,431.49 × 12,463.66
  4. Step 4: Simplify right side
    26,310.70x = 491,460,684.65
  5. Step 5: Solve for x
    x = 491,460,684.65/26,310.70
  6. Step 6: Final answer
    x = 18,679.12

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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.