Home / 27,773.22-38,287.17-19,801.61

Finding the Fourth Proportional to 27,773.22, 38,287.17 and 19,801.61

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Solution

The fourth proportional to 27,773.22, 38,287.17 and 19,801.61 is: 27,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.22 : 38,287.17 = 19,801.61 : x
  2. Step 2: Convert to fraction form
    27,773.22/38,287.17 = 19,801.61/x
  3. Step 3: Cross multiply
    27,773.22x = 38,287.17 × 19,801.61
  4. Step 4: Simplify right side
    27,773.22x = 758,147,608.34
  5. Step 5: Solve for x
    x = 758,147,608.34/27,773.22
  6. Step 6: Final answer
    x = 27,297.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.