Home / 27,657.52-41,460.36-13,791.28

Finding the Fourth Proportional to 27,657.52, 41,460.36 and 13,791.28

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Solution

The fourth proportional to 27,657.52, 41,460.36 and 13,791.28 is: 20,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.52 : 41,460.36 = 13,791.28 : x
  2. Step 2: Convert to fraction form
    27,657.52/41,460.36 = 13,791.28/x
  3. Step 3: Cross multiply
    27,657.52x = 41,460.36 × 13,791.28
  4. Step 4: Simplify right side
    27,657.52x = 571,791,433.66
  5. Step 5: Solve for x
    x = 571,791,433.66/27,657.52
  6. Step 6: Final answer
    x = 20,674.00

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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.