Home / 26,459.20-39,663.50-9,814.78

Finding the Fourth Proportional to 26,459.20, 39,663.50 and 9,814.78

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Solution

The fourth proportional to 26,459.20, 39,663.50 and 9,814.78 is: 14,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.20 : 39,663.50 = 9,814.78 : x
  2. Step 2: Convert to fraction form
    26,459.20/39,663.50 = 9,814.78/x
  3. Step 3: Cross multiply
    26,459.20x = 39,663.50 × 9,814.78
  4. Step 4: Simplify right side
    26,459.20x = 389,288,526.53
  5. Step 5: Solve for x
    x = 389,288,526.53/26,459.20
  6. Step 6: Final answer
    x = 14,712.79

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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.