Home / 27,787.72-41,662.14-13,929.16

Finding the Fourth Proportional to 27,787.72, 41,662.14 and 13,929.16

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Solution

The fourth proportional to 27,787.72, 41,662.14 and 13,929.16 is: 20,884.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.72 : 41,662.14 = 13,929.16 : x
  2. Step 2: Convert to fraction form
    27,787.72/41,662.14 = 13,929.16/x
  3. Step 3: Cross multiply
    27,787.72x = 41,662.14 × 13,929.16
  4. Step 4: Simplify right side
    27,787.72x = 580,318,614.00
  5. Step 5: Solve for x
    x = 580,318,614.00/27,787.72
  6. Step 6: Final answer
    x = 20,884.00

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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.