Home / 27,793.28-41,660.06-12,005.78

Finding the Fourth Proportional to 27,793.28, 41,660.06 and 12,005.78

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Solution

The fourth proportional to 27,793.28, 41,660.06 and 12,005.78 is: 17,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.28 : 41,660.06 = 12,005.78 : x
  2. Step 2: Convert to fraction form
    27,793.28/41,660.06 = 12,005.78/x
  3. Step 3: Cross multiply
    27,793.28x = 41,660.06 × 12,005.78
  4. Step 4: Simplify right side
    27,793.28x = 500,161,246.82
  5. Step 5: Solve for x
    x = 500,161,246.82/27,793.28
  6. Step 6: Final answer
    x = 17,995.76

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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.