Home / 26,403.57-39,611.30-8,872.88

Finding the Fourth Proportional to 26,403.57, 39,611.30 and 8,872.88

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Solution

The fourth proportional to 26,403.57, 39,611.30 and 8,872.88 is: 13,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.57 : 39,611.30 = 8,872.88 : x
  2. Step 2: Convert to fraction form
    26,403.57/39,611.30 = 8,872.88/x
  3. Step 3: Cross multiply
    26,403.57x = 39,611.30 × 8,872.88
  4. Step 4: Simplify right side
    26,403.57x = 351,466,069.12
  5. Step 5: Solve for x
    x = 351,466,069.12/26,403.57
  6. Step 6: Final answer
    x = 13,311.31

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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.