Home / 27,170.97-40,762.32-8,450.64

Finding the Fourth Proportional to 27,170.97, 40,762.32 and 8,450.64

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Solution

The fourth proportional to 27,170.97, 40,762.32 and 8,450.64 is: 12,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.97 : 40,762.32 = 8,450.64 : x
  2. Step 2: Convert to fraction form
    27,170.97/40,762.32 = 8,450.64/x
  3. Step 3: Cross multiply
    27,170.97x = 40,762.32 × 8,450.64
  4. Step 4: Simplify right side
    27,170.97x = 344,467,691.88
  5. Step 5: Solve for x
    x = 344,467,691.88/27,170.97
  6. Step 6: Final answer
    x = 12,677.78

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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.