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Finding the Fourth Proportional to 27,954.88, 41,923.44 and 9,231.43

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Solution

The fourth proportional to 27,954.88, 41,923.44 and 9,231.43 is: 13,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.88 : 41,923.44 = 9,231.43 : x
  2. Step 2: Convert to fraction form
    27,954.88/41,923.44 = 9,231.43/x
  3. Step 3: Cross multiply
    27,954.88x = 41,923.44 × 9,231.43
  4. Step 4: Simplify right side
    27,954.88x = 387,013,301.72
  5. Step 5: Solve for x
    x = 387,013,301.72/27,954.88
  6. Step 6: Final answer
    x = 13,844.21

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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.