Home / 21,747.88-32,621.84-5,331.88

Finding the Fourth Proportional to 21,747.88, 32,621.84 and 5,331.88

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Solution

The fourth proportional to 21,747.88, 32,621.84 and 5,331.88 is: 7,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.88 : 32,621.84 = 5,331.88 : x
  2. Step 2: Convert to fraction form
    21,747.88/32,621.84 = 5,331.88/x
  3. Step 3: Cross multiply
    21,747.88x = 32,621.84 × 5,331.88
  4. Step 4: Simplify right side
    21,747.88x = 173,935,546.49
  5. Step 5: Solve for x
    x = 173,935,546.49/21,747.88
  6. Step 6: Final answer
    x = 7,997.82

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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.