Home / 21,632.28-32,472.72-16,760.66

Finding the Fourth Proportional to 21,632.28, 32,472.72 and 16,760.66

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Solution

The fourth proportional to 21,632.28, 32,472.72 and 16,760.66 is: 25,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.28 : 32,472.72 = 16,760.66 : x
  2. Step 2: Convert to fraction form
    21,632.28/32,472.72 = 16,760.66/x
  3. Step 3: Cross multiply
    21,632.28x = 32,472.72 × 16,760.66
  4. Step 4: Simplify right side
    21,632.28x = 544,264,219.20
  5. Step 5: Solve for x
    x = 544,264,219.20/21,632.28
  6. Step 6: Final answer
    x = 25,159.82

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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.