Home / 21,530.28-32,299.85-9,042.96

Finding the Fourth Proportional to 21,530.28, 32,299.85 and 9,042.96

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Solution

The fourth proportional to 21,530.28, 32,299.85 and 9,042.96 is: 13,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530.28 : 32,299.85 = 9,042.96 : x
  2. Step 2: Convert to fraction form
    21,530.28/32,299.85 = 9,042.96/x
  3. Step 3: Cross multiply
    21,530.28x = 32,299.85 × 9,042.96
  4. Step 4: Simplify right side
    21,530.28x = 292,086,251.56
  5. Step 5: Solve for x
    x = 292,086,251.56/21,530.28
  6. Step 6: Final answer
    x = 13,566.30

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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.