Home / 21,577.44-29,769.74-17,591.70

Finding the Fourth Proportional to 21,577.44, 29,769.74 and 17,591.70

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Solution

The fourth proportional to 21,577.44, 29,769.74 and 17,591.70 is: 24,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.44 : 29,769.74 = 17,591.70 : x
  2. Step 2: Convert to fraction form
    21,577.44/29,769.74 = 17,591.70/x
  3. Step 3: Cross multiply
    21,577.44x = 29,769.74 × 17,591.70
  4. Step 4: Simplify right side
    21,577.44x = 523,700,335.16
  5. Step 5: Solve for x
    x = 523,700,335.16/21,577.44
  6. Step 6: Final answer
    x = 24,270.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.