Home / 27,848.11-38,426.84-15,912.22

Finding the Fourth Proportional to 27,848.11, 38,426.84 and 15,912.22

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Solution

The fourth proportional to 27,848.11, 38,426.84 and 15,912.22 is: 21,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.11 : 38,426.84 = 15,912.22 : x
  2. Step 2: Convert to fraction form
    27,848.11/38,426.84 = 15,912.22/x
  3. Step 3: Cross multiply
    27,848.11x = 38,426.84 × 15,912.22
  4. Step 4: Simplify right side
    27,848.11x = 611,456,331.98
  5. Step 5: Solve for x
    x = 611,456,331.98/27,848.11
  6. Step 6: Final answer
    x = 21,956.83

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Double scale
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Similar ratio
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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.