Home / 27,825.89-41,743.70-12,243.11

Finding the Fourth Proportional to 27,825.89, 41,743.70 and 12,243.11

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Solution

The fourth proportional to 27,825.89, 41,743.70 and 12,243.11 is: 18,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.89 : 41,743.70 = 12,243.11 : x
  2. Step 2: Convert to fraction form
    27,825.89/41,743.70 = 12,243.11/x
  3. Step 3: Cross multiply
    27,825.89x = 41,743.70 × 12,243.11
  4. Step 4: Simplify right side
    27,825.89x = 511,072,649.69
  5. Step 5: Solve for x
    x = 511,072,649.69/27,825.89
  6. Step 6: Final answer
    x = 18,366.80

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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.