Home / 26,458.14-39,687.22-12,427.86

Finding the Fourth Proportional to 26,458.14, 39,687.22 and 12,427.86

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Solution

The fourth proportional to 26,458.14, 39,687.22 and 12,427.86 is: 18,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,458.14 : 39,687.22 = 12,427.86 : x
  2. Step 2: Convert to fraction form
    26,458.14/39,687.22 = 12,427.86/x
  3. Step 3: Cross multiply
    26,458.14x = 39,687.22 × 12,427.86
  4. Step 4: Simplify right side
    26,458.14x = 493,226,973.54
  5. Step 5: Solve for x
    x = 493,226,973.54/26,458.14
  6. Step 6: Final answer
    x = 18,641.78

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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.