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Finding the Fourth Proportional to 27,881.20, 41,854.20 and 16,800.40

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Solution

The fourth proportional to 27,881.20, 41,854.20 and 16,800.40 is: 25,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.20 : 41,854.20 = 16,800.40 : x
  2. Step 2: Convert to fraction form
    27,881.20/41,854.20 = 16,800.40/x
  3. Step 3: Cross multiply
    27,881.20x = 41,854.20 × 16,800.40
  4. Step 4: Simplify right side
    27,881.20x = 703,167,301.68
  5. Step 5: Solve for x
    x = 703,167,301.68/27,881.20
  6. Step 6: Final answer
    x = 25,220.12

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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.