Home / 21,800.34-32,691.87-14,058.90

Finding the Fourth Proportional to 21,800.34, 32,691.87 and 14,058.90

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Solution

The fourth proportional to 21,800.34, 32,691.87 and 14,058.90 is: 21,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.34 : 32,691.87 = 14,058.90 : x
  2. Step 2: Convert to fraction form
    21,800.34/32,691.87 = 14,058.90/x
  3. Step 3: Cross multiply
    21,800.34x = 32,691.87 × 14,058.90
  4. Step 4: Simplify right side
    21,800.34x = 459,611,731.14
  5. Step 5: Solve for x
    x = 459,611,731.14/21,800.34
  6. Step 6: Final answer
    x = 21,082.78

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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.