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Finding the Fourth Proportional to 27,863.52, 41,801.48 and 13,831.20

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Solution

The fourth proportional to 27,863.52, 41,801.48 and 13,831.20 is: 20,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.52 : 41,801.48 = 13,831.20 : x
  2. Step 2: Convert to fraction form
    27,863.52/41,801.48 = 13,831.20/x
  3. Step 3: Cross multiply
    27,863.52x = 41,801.48 × 13,831.20
  4. Step 4: Simplify right side
    27,863.52x = 578,164,630.18
  5. Step 5: Solve for x
    x = 578,164,630.18/27,863.52
  6. Step 6: Final answer
    x = 20,749.88

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1.5x scale

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.