Home / 25,380.10-38,072.68-8,737.92

Finding the Fourth Proportional to 25,380.10, 38,072.68 and 8,737.92

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Solution

The fourth proportional to 25,380.10, 38,072.68 and 8,737.92 is: 13,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.10 : 38,072.68 = 8,737.92 : x
  2. Step 2: Convert to fraction form
    25,380.10/38,072.68 = 8,737.92/x
  3. Step 3: Cross multiply
    25,380.10x = 38,072.68 × 8,737.92
  4. Step 4: Simplify right side
    25,380.10x = 332,676,032.03
  5. Step 5: Solve for x
    x = 332,676,032.03/25,380.10
  6. Step 6: Final answer
    x = 13,107.75

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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.