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Finding the Fourth Proportional to 27,884.91, 41,801.70 and 12,080.01

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Solution

The fourth proportional to 27,884.91, 41,801.70 and 12,080.01 is: 18,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884.91 : 41,801.70 = 12,080.01 : x
  2. Step 2: Convert to fraction form
    27,884.91/41,801.70 = 12,080.01/x
  3. Step 3: Cross multiply
    27,884.91x = 41,801.70 × 12,080.01
  4. Step 4: Simplify right side
    27,884.91x = 504,964,954.02
  5. Step 5: Solve for x
    x = 504,964,954.02/27,884.91
  6. Step 6: Final answer
    x = 18,108.90

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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.