Home / 26,049.50-39,042.96-11,990.18

Finding the Fourth Proportional to 26,049.50, 39,042.96 and 11,990.18

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Solution

The fourth proportional to 26,049.50, 39,042.96 and 11,990.18 is: 17,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,049.50 : 39,042.96 = 11,990.18 : x
  2. Step 2: Convert to fraction form
    26,049.50/39,042.96 = 11,990.18/x
  3. Step 3: Cross multiply
    26,049.50x = 39,042.96 × 11,990.18
  4. Step 4: Simplify right side
    26,049.50x = 468,132,118.13
  5. Step 5: Solve for x
    x = 468,132,118.13/26,049.50
  6. Step 6: Final answer
    x = 17,970.87

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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.