Home / 27,183.92-40,742.39-12,959.87

Finding the Fourth Proportional to 27,183.92, 40,742.39 and 12,959.87

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Solution

The fourth proportional to 27,183.92, 40,742.39 and 12,959.87 is: 19,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,183.92 : 40,742.39 = 12,959.87 : x
  2. Step 2: Convert to fraction form
    27,183.92/40,742.39 = 12,959.87/x
  3. Step 3: Cross multiply
    27,183.92x = 40,742.39 × 12,959.87
  4. Step 4: Simplify right side
    27,183.92x = 528,015,809.38
  5. Step 5: Solve for x
    x = 528,015,809.38/27,183.92
  6. Step 6: Final answer
    x = 19,423.83

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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.