Home / 21,635.38-32,367.70-16,385.57

Finding the Fourth Proportional to 21,635.38, 32,367.70 and 16,385.57

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Solution

The fourth proportional to 21,635.38, 32,367.70 and 16,385.57 is: 24,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.38 : 32,367.70 = 16,385.57 : x
  2. Step 2: Convert to fraction form
    21,635.38/32,367.70 = 16,385.57/x
  3. Step 3: Cross multiply
    21,635.38x = 32,367.70 × 16,385.57
  4. Step 4: Simplify right side
    21,635.38x = 530,363,103.08
  5. Step 5: Solve for x
    x = 530,363,103.08/21,635.38
  6. Step 6: Final answer
    x = 24,513.70

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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.