Home / 27,812.17-41,723.70-12,229.75

Finding the Fourth Proportional to 27,812.17, 41,723.70 and 12,229.75

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Solution

The fourth proportional to 27,812.17, 41,723.70 and 12,229.75 is: 18,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.17 : 41,723.70 = 12,229.75 : x
  2. Step 2: Convert to fraction form
    27,812.17/41,723.70 = 12,229.75/x
  3. Step 3: Cross multiply
    27,812.17x = 41,723.70 × 12,229.75
  4. Step 4: Simplify right side
    27,812.17x = 510,270,420.08
  5. Step 5: Solve for x
    x = 510,270,420.08/27,812.17
  6. Step 6: Final answer
    x = 18,347.02

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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.