Home / 27,921.96-41,889.42-12,344.04

Finding the Fourth Proportional to 27,921.96, 41,889.42 and 12,344.04

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Solution

The fourth proportional to 27,921.96, 41,889.42 and 12,344.04 is: 18,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.96 : 41,889.42 = 12,344.04 : x
  2. Step 2: Convert to fraction form
    27,921.96/41,889.42 = 12,344.04/x
  3. Step 3: Cross multiply
    27,921.96x = 41,889.42 × 12,344.04
  4. Step 4: Simplify right side
    27,921.96x = 517,084,676.06
  5. Step 5: Solve for x
    x = 517,084,676.06/27,921.96
  6. Step 6: Final answer
    x = 18,518.92

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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.