Home / 26,685.61-40,014.82-8,909.89

Finding the Fourth Proportional to 26,685.61, 40,014.82 and 8,909.89

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Solution

The fourth proportional to 26,685.61, 40,014.82 and 8,909.89 is: 13,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.61 : 40,014.82 = 8,909.89 : x
  2. Step 2: Convert to fraction form
    26,685.61/40,014.82 = 8,909.89/x
  3. Step 3: Cross multiply
    26,685.61x = 40,014.82 × 8,909.89
  4. Step 4: Simplify right side
    26,685.61x = 356,527,644.57
  5. Step 5: Solve for x
    x = 356,527,644.57/26,685.61
  6. Step 6: Final answer
    x = 13,360.30

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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.