Home / 27,874.53-38,466.09-15,299.28

Finding the Fourth Proportional to 27,874.53, 38,466.09 and 15,299.28

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Solution

The fourth proportional to 27,874.53, 38,466.09 and 15,299.28 is: 21,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.53 : 38,466.09 = 15,299.28 : x
  2. Step 2: Convert to fraction form
    27,874.53/38,466.09 = 15,299.28/x
  3. Step 3: Cross multiply
    27,874.53x = 38,466.09 × 15,299.28
  4. Step 4: Simplify right side
    27,874.53x = 588,503,481.42
  5. Step 5: Solve for x
    x = 588,503,481.42/27,874.53
  6. Step 6: Final answer
    x = 21,112.59

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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.