Home / 27,959.76-41,965.56-14,118.48

Finding the Fourth Proportional to 27,959.76, 41,965.56 and 14,118.48

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Solution

The fourth proportional to 27,959.76, 41,965.56 and 14,118.48 is: 21,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.76 : 41,965.56 = 14,118.48 : x
  2. Step 2: Convert to fraction form
    27,959.76/41,965.56 = 14,118.48/x
  3. Step 3: Cross multiply
    27,959.76x = 41,965.56 × 14,118.48
  4. Step 4: Simplify right side
    27,959.76x = 592,489,919.55
  5. Step 5: Solve for x
    x = 592,489,919.55/27,959.76
  6. Step 6: Final answer
    x = 21,190.81

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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.