Home / 25,677.38-38,520.30-8,151.41

Finding the Fourth Proportional to 25,677.38, 38,520.30 and 8,151.41

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Solution

The fourth proportional to 25,677.38, 38,520.30 and 8,151.41 is: 12,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,677.38 : 38,520.30 = 8,151.41 : x
  2. Step 2: Convert to fraction form
    25,677.38/38,520.30 = 8,151.41/x
  3. Step 3: Cross multiply
    25,677.38x = 38,520.30 × 8,151.41
  4. Step 4: Simplify right side
    25,677.38x = 313,994,566.02
  5. Step 5: Solve for x
    x = 313,994,566.02/25,677.38
  6. Step 6: Final answer
    x = 12,228.45

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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.