Home / 26,406.88-39,612.24-8,869.60

Finding the Fourth Proportional to 26,406.88, 39,612.24 and 8,869.60

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Solution

The fourth proportional to 26,406.88, 39,612.24 and 8,869.60 is: 13,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.88 : 39,612.24 = 8,869.60 : x
  2. Step 2: Convert to fraction form
    26,406.88/39,612.24 = 8,869.60/x
  3. Step 3: Cross multiply
    26,406.88x = 39,612.24 × 8,869.60
  4. Step 4: Simplify right side
    26,406.88x = 351,344,723.90
  5. Step 5: Solve for x
    x = 351,344,723.90/26,406.88
  6. Step 6: Final answer
    x = 13,305.04

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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.