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Finding the Fourth Proportional to 27,940.29, 41,909.36 and 9,472.29

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Solution

The fourth proportional to 27,940.29, 41,909.36 and 9,472.29 is: 14,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.29 : 41,909.36 = 9,472.29 : x
  2. Step 2: Convert to fraction form
    27,940.29/41,909.36 = 9,472.29/x
  3. Step 3: Cross multiply
    27,940.29x = 41,909.36 × 9,472.29
  4. Step 4: Simplify right side
    27,940.29x = 396,977,564.27
  5. Step 5: Solve for x
    x = 396,977,564.27/27,940.29
  6. Step 6: Final answer
    x = 14,208.07

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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.