Home / 27,825.72-41,719.13-13,768.57

Finding the Fourth Proportional to 27,825.72, 41,719.13 and 13,768.57

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Solution

The fourth proportional to 27,825.72, 41,719.13 and 13,768.57 is: 20,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.72 : 41,719.13 = 13,768.57 : x
  2. Step 2: Convert to fraction form
    27,825.72/41,719.13 = 13,768.57/x
  3. Step 3: Cross multiply
    27,825.72x = 41,719.13 × 13,768.57
  4. Step 4: Simplify right side
    27,825.72x = 574,412,761.74
  5. Step 5: Solve for x
    x = 574,412,761.74/27,825.72
  6. Step 6: Final answer
    x = 20,643.23

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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.