Home / 23,998.20-35,997.30-21,082.20

Finding the Fourth Proportional to 23,998.20, 35,997.30 and 21,082.20

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Solution

The fourth proportional to 23,998.20, 35,997.30 and 21,082.20 is: 31,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,998.20 : 35,997.30 = 21,082.20 : x
  2. Step 2: Convert to fraction form
    23,998.20/35,997.30 = 21,082.20/x
  3. Step 3: Cross multiply
    23,998.20x = 35,997.30 × 21,082.20
  4. Step 4: Simplify right side
    23,998.20x = 758,902,278.06
  5. Step 5: Solve for x
    x = 758,902,278.06/23,998.20
  6. Step 6: Final answer
    x = 31,623.30

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Half scale
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Double scale
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Similar ratio
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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.