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Finding the Fourth Proportional to 18,197.30, 27,296.67 and 17,939.54

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Solution

The fourth proportional to 18,197.30, 27,296.67 and 17,939.54 is: 26,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.30 : 27,296.67 = 17,939.54 : x
  2. Step 2: Convert to fraction form
    18,197.30/27,296.67 = 17,939.54/x
  3. Step 3: Cross multiply
    18,197.30x = 27,296.67 × 17,939.54
  4. Step 4: Simplify right side
    18,197.30x = 489,689,703.33
  5. Step 5: Solve for x
    x = 489,689,703.33/18,197.30
  6. Step 6: Final answer
    x = 26,910.02

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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.