Home / 21,769.38-32,654.03-14,372.10

Finding the Fourth Proportional to 21,769.38, 32,654.03 and 14,372.10

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Solution

The fourth proportional to 21,769.38, 32,654.03 and 14,372.10 is: 21,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.38 : 32,654.03 = 14,372.10 : x
  2. Step 2: Convert to fraction form
    21,769.38/32,654.03 = 14,372.10/x
  3. Step 3: Cross multiply
    21,769.38x = 32,654.03 × 14,372.10
  4. Step 4: Simplify right side
    21,769.38x = 469,306,912.70
  5. Step 5: Solve for x
    x = 469,306,912.70/21,769.38
  6. Step 6: Final answer
    x = 21,558.12

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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.