Home / 21,591.20-32,378.27-10,494.61

Finding the Fourth Proportional to 21,591.20, 32,378.27 and 10,494.61

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Solution

The fourth proportional to 21,591.20, 32,378.27 and 10,494.61 is: 15,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.20 : 32,378.27 = 10,494.61 : x
  2. Step 2: Convert to fraction form
    21,591.20/32,378.27 = 10,494.61/x
  3. Step 3: Cross multiply
    21,591.20x = 32,378.27 × 10,494.61
  4. Step 4: Simplify right side
    21,591.20x = 339,797,182.71
  5. Step 5: Solve for x
    x = 339,797,182.71/21,591.20
  6. Step 6: Final answer
    x = 15,737.76

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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.