Home / 27,985.50-41,961.24-11,331.90

Finding the Fourth Proportional to 27,985.50, 41,961.24 and 11,331.90

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Solution

The fourth proportional to 27,985.50, 41,961.24 and 11,331.90 is: 16,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.50 : 41,961.24 = 11,331.90 : x
  2. Step 2: Convert to fraction form
    27,985.50/41,961.24 = 11,331.90/x
  3. Step 3: Cross multiply
    27,985.50x = 41,961.24 × 11,331.90
  4. Step 4: Simplify right side
    27,985.50x = 475,500,575.56
  5. Step 5: Solve for x
    x = 475,500,575.56/27,985.50
  6. Step 6: Final answer
    x = 16,990.96

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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.