Home / 27,620.38-41,421.25-19,304.31

Finding the Fourth Proportional to 27,620.38, 41,421.25 and 19,304.31

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Solution

The fourth proportional to 27,620.38, 41,421.25 and 19,304.31 is: 28,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.38 : 41,421.25 = 19,304.31 : x
  2. Step 2: Convert to fraction form
    27,620.38/41,421.25 = 19,304.31/x
  3. Step 3: Cross multiply
    27,620.38x = 41,421.25 × 19,304.31
  4. Step 4: Simplify right side
    27,620.38x = 799,608,650.59
  5. Step 5: Solve for x
    x = 799,608,650.59/27,620.38
  6. Step 6: Final answer
    x = 28,949.95

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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.