Home / 27,170.72-40,761.95-8,450.39

Finding the Fourth Proportional to 27,170.72, 40,761.95 and 8,450.39

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Solution

The fourth proportional to 27,170.72, 40,761.95 and 8,450.39 is: 12,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.72 : 40,761.95 = 8,450.39 : x
  2. Step 2: Convert to fraction form
    27,170.72/40,761.95 = 8,450.39/x
  3. Step 3: Cross multiply
    27,170.72x = 40,761.95 × 8,450.39
  4. Step 4: Simplify right side
    27,170.72x = 344,454,374.66
  5. Step 5: Solve for x
    x = 344,454,374.66/27,170.72
  6. Step 6: Final answer
    x = 12,677.41

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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.