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Finding the Fourth Proportional to 27,711.48, 41,573.46 and 9,243

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Solution

The fourth proportional to 27,711.48, 41,573.46 and 9,243 is: 13,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.48 : 41,573.46 = 9,243 : x
  2. Step 2: Convert to fraction form
    27,711.48/41,573.46 = 9,243/x
  3. Step 3: Cross multiply
    27,711.48x = 41,573.46 × 9,243
  4. Step 4: Simplify right side
    27,711.48x = 384,263,490.78
  5. Step 5: Solve for x
    x = 384,263,490.78/27,711.48
  6. Step 6: Final answer
    x = 13,866.58

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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.