Home / 21,491.64-32,227.11-16,799.76

Finding the Fourth Proportional to 21,491.64, 32,227.11 and 16,799.76

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Solution

The fourth proportional to 21,491.64, 32,227.11 and 16,799.76 is: 25,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.64 : 32,227.11 = 16,799.76 : x
  2. Step 2: Convert to fraction form
    21,491.64/32,227.11 = 16,799.76/x
  3. Step 3: Cross multiply
    21,491.64x = 32,227.11 × 16,799.76
  4. Step 4: Simplify right side
    21,491.64x = 541,407,713.49
  5. Step 5: Solve for x
    x = 541,407,713.49/21,491.64
  6. Step 6: Final answer
    x = 25,191.55

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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.