Home / 27,231.77-40,812.33-12,227.81

Finding the Fourth Proportional to 27,231.77, 40,812.33 and 12,227.81

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Solution

The fourth proportional to 27,231.77, 40,812.33 and 12,227.81 is: 18,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.77 : 40,812.33 = 12,227.81 : x
  2. Step 2: Convert to fraction form
    27,231.77/40,812.33 = 12,227.81/x
  3. Step 3: Cross multiply
    27,231.77x = 40,812.33 × 12,227.81
  4. Step 4: Simplify right side
    27,231.77x = 499,045,212.84
  5. Step 5: Solve for x
    x = 499,045,212.84/27,231.77
  6. Step 6: Final answer
    x = 18,325.85

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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.