Home / 27,785.29-41,660.16-12,000.61

Finding the Fourth Proportional to 27,785.29, 41,660.16 and 12,000.61

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Solution

The fourth proportional to 27,785.29, 41,660.16 and 12,000.61 is: 17,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785.29 : 41,660.16 = 12,000.61 : x
  2. Step 2: Convert to fraction form
    27,785.29/41,660.16 = 12,000.61/x
  3. Step 3: Cross multiply
    27,785.29x = 41,660.16 × 12,000.61
  4. Step 4: Simplify right side
    27,785.29x = 499,947,332.70
  5. Step 5: Solve for x
    x = 499,947,332.70/27,785.29
  6. Step 6: Final answer
    x = 17,993.24

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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.