Home / 27,817.38-38,387.79-15,241.86

Finding the Fourth Proportional to 27,817.38, 38,387.79 and 15,241.86

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Solution

The fourth proportional to 27,817.38, 38,387.79 and 15,241.86 is: 21,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.38 : 38,387.79 = 15,241.86 : x
  2. Step 2: Convert to fraction form
    27,817.38/38,387.79 = 15,241.86/x
  3. Step 3: Cross multiply
    27,817.38x = 38,387.79 × 15,241.86
  4. Step 4: Simplify right side
    27,817.38x = 585,101,320.89
  5. Step 5: Solve for x
    x = 585,101,320.89/27,817.38
  6. Step 6: Final answer
    x = 21,033.66

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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.