Home / 26,379.60-39,534.54-12,338.52

Finding the Fourth Proportional to 26,379.60, 39,534.54 and 12,338.52

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Solution

The fourth proportional to 26,379.60, 39,534.54 and 12,338.52 is: 18,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.60 : 39,534.54 = 12,338.52 : x
  2. Step 2: Convert to fraction form
    26,379.60/39,534.54 = 12,338.52/x
  3. Step 3: Cross multiply
    26,379.60x = 39,534.54 × 12,338.52
  4. Step 4: Simplify right side
    26,379.60x = 487,797,712.48
  5. Step 5: Solve for x
    x = 487,797,712.48/26,379.60
  6. Step 6: Final answer
    x = 18,491.47

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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.