Home / 26,519.61-39,778.38-8,989.47

Finding the Fourth Proportional to 26,519.61, 39,778.38 and 8,989.47

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Solution

The fourth proportional to 26,519.61, 39,778.38 and 8,989.47 is: 13,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,519.61 : 39,778.38 = 8,989.47 : x
  2. Step 2: Convert to fraction form
    26,519.61/39,778.38 = 8,989.47/x
  3. Step 3: Cross multiply
    26,519.61x = 39,778.38 × 8,989.47
  4. Step 4: Simplify right side
    26,519.61x = 357,586,553.66
  5. Step 5: Solve for x
    x = 357,586,553.66/26,519.61
  6. Step 6: Final answer
    x = 13,483.85

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1.5x scale

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.