Home / 26,874.41-40,311.72-8,154.61

Finding the Fourth Proportional to 26,874.41, 40,311.72 and 8,154.61

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Solution

The fourth proportional to 26,874.41, 40,311.72 and 8,154.61 is: 12,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.41 : 40,311.72 = 8,154.61 : x
  2. Step 2: Convert to fraction form
    26,874.41/40,311.72 = 8,154.61/x
  3. Step 3: Cross multiply
    26,874.41x = 40,311.72 × 8,154.61
  4. Step 4: Simplify right side
    26,874.41x = 328,726,254.25
  5. Step 5: Solve for x
    x = 328,726,254.25/26,874.41
  6. Step 6: Final answer
    x = 12,231.95

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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.