Home / 27,585.72-41,399.10-13,553.28

Finding the Fourth Proportional to 27,585.72, 41,399.10 and 13,553.28

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Solution

The fourth proportional to 27,585.72, 41,399.10 and 13,553.28 is: 20,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.72 : 41,399.10 = 13,553.28 : x
  2. Step 2: Convert to fraction form
    27,585.72/41,399.10 = 13,553.28/x
  3. Step 3: Cross multiply
    27,585.72x = 41,399.10 × 13,553.28
  4. Step 4: Simplify right side
    27,585.72x = 561,093,594.05
  5. Step 5: Solve for x
    x = 561,093,594.05/27,585.72
  6. Step 6: Final answer
    x = 20,340.00

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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.