Home / 21,520.94-32,221.26-11,624.76

Finding the Fourth Proportional to 21,520.94, 32,221.26 and 11,624.76

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Solution

The fourth proportional to 21,520.94, 32,221.26 and 11,624.76 is: 17,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.94 : 32,221.26 = 11,624.76 : x
  2. Step 2: Convert to fraction form
    21,520.94/32,221.26 = 11,624.76/x
  3. Step 3: Cross multiply
    21,520.94x = 32,221.26 × 11,624.76
  4. Step 4: Simplify right side
    21,520.94x = 374,564,414.40
  5. Step 5: Solve for x
    x = 374,564,414.40/21,520.94
  6. Step 6: Final answer
    x = 17,404.65

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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.