Home / 27,125.97-40,709.79-12,137.73

Finding the Fourth Proportional to 27,125.97, 40,709.79 and 12,137.73

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Solution

The fourth proportional to 27,125.97, 40,709.79 and 12,137.73 is: 18,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.97 : 40,709.79 = 12,137.73 : x
  2. Step 2: Convert to fraction form
    27,125.97/40,709.79 = 12,137.73/x
  3. Step 3: Cross multiply
    27,125.97x = 40,709.79 × 12,137.73
  4. Step 4: Simplify right side
    27,125.97x = 494,124,439.38
  5. Step 5: Solve for x
    x = 494,124,439.38/27,125.97
  6. Step 6: Final answer
    x = 18,215.92

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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.