Home / 26,578.08-39,839.76-11,793.96

Finding the Fourth Proportional to 26,578.08, 39,839.76 and 11,793.96

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Solution

The fourth proportional to 26,578.08, 39,839.76 and 11,793.96 is: 17,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,578.08 : 39,839.76 = 11,793.96 : x
  2. Step 2: Convert to fraction form
    26,578.08/39,839.76 = 11,793.96/x
  3. Step 3: Cross multiply
    26,578.08x = 39,839.76 × 11,793.96
  4. Step 4: Simplify right side
    26,578.08x = 469,868,535.85
  5. Step 5: Solve for x
    x = 469,868,535.85/26,578.08
  6. Step 6: Final answer
    x = 17,678.80

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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.