Home / 23,916.20-35,874.30-21,000.20

Finding the Fourth Proportional to 23,916.20, 35,874.30 and 21,000.20

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Solution

The fourth proportional to 23,916.20, 35,874.30 and 21,000.20 is: 31,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,916.20 : 35,874.30 = 21,000.20 : x
  2. Step 2: Convert to fraction form
    23,916.20/35,874.30 = 21,000.20/x
  3. Step 3: Cross multiply
    23,916.20x = 35,874.30 × 21,000.20
  4. Step 4: Simplify right side
    23,916.20x = 753,367,474.86
  5. Step 5: Solve for x
    x = 753,367,474.86/23,916.20
  6. Step 6: Final answer
    x = 31,500.30

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Similar ratio
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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.