Home / 27,836.75-38,414.72-15,261.50

Finding the Fourth Proportional to 27,836.75, 38,414.72 and 15,261.50

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Solution

The fourth proportional to 27,836.75, 38,414.72 and 15,261.50 is: 21,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.75 : 38,414.72 = 15,261.50 : x
  2. Step 2: Convert to fraction form
    27,836.75/38,414.72 = 15,261.50/x
  3. Step 3: Cross multiply
    27,836.75x = 38,414.72 × 15,261.50
  4. Step 4: Simplify right side
    27,836.75x = 586,266,249.28
  5. Step 5: Solve for x
    x = 586,266,249.28/27,836.75
  6. Step 6: Final answer
    x = 21,060.87

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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.