Home / 26,540.30-39,814.50-9,902.68

Finding the Fourth Proportional to 26,540.30, 39,814.50 and 9,902.68

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Solution

The fourth proportional to 26,540.30, 39,814.50 and 9,902.68 is: 14,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.30 : 39,814.50 = 9,902.68 : x
  2. Step 2: Convert to fraction form
    26,540.30/39,814.50 = 9,902.68/x
  3. Step 3: Cross multiply
    26,540.30x = 39,814.50 × 9,902.68
  4. Step 4: Simplify right side
    26,540.30x = 394,270,252.86
  5. Step 5: Solve for x
    x = 394,270,252.86/26,540.30
  6. Step 6: Final answer
    x = 14,855.53

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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.