Home / 27,091.08-40,636.62-17,789.85

Finding the Fourth Proportional to 27,091.08, 40,636.62 and 17,789.85

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Solution

The fourth proportional to 27,091.08, 40,636.62 and 17,789.85 is: 26,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.08 : 40,636.62 = 17,789.85 : x
  2. Step 2: Convert to fraction form
    27,091.08/40,636.62 = 17,789.85/x
  3. Step 3: Cross multiply
    27,091.08x = 40,636.62 × 17,789.85
  4. Step 4: Simplify right side
    27,091.08x = 722,919,374.31
  5. Step 5: Solve for x
    x = 722,919,374.31/27,091.08
  6. Step 6: Final answer
    x = 26,684.78

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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.