Home / 27,805.53-38,372.13-15,229.47

Finding the Fourth Proportional to 27,805.53, 38,372.13 and 15,229.47

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Solution

The fourth proportional to 27,805.53, 38,372.13 and 15,229.47 is: 21,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.53 : 38,372.13 = 15,229.47 : x
  2. Step 2: Convert to fraction form
    27,805.53/38,372.13 = 15,229.47/x
  3. Step 3: Cross multiply
    27,805.53x = 38,372.13 × 15,229.47
  4. Step 4: Simplify right side
    27,805.53x = 584,387,202.67
  5. Step 5: Solve for x
    x = 584,387,202.67/27,805.53
  6. Step 6: Final answer
    x = 21,016.94

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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.