Home / 26,451.86-39,677.92-8,921.84

Finding the Fourth Proportional to 26,451.86, 39,677.92 and 8,921.84

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Solution

The fourth proportional to 26,451.86, 39,677.92 and 8,921.84 is: 13,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.86 : 39,677.92 = 8,921.84 : x
  2. Step 2: Convert to fraction form
    26,451.86/39,677.92 = 8,921.84/x
  3. Step 3: Cross multiply
    26,451.86x = 39,677.92 × 8,921.84
  4. Step 4: Simplify right side
    26,451.86x = 354,000,053.77
  5. Step 5: Solve for x
    x = 354,000,053.77/26,451.86
  6. Step 6: Final answer
    x = 13,382.80

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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.