Home / 27,975.28-38,597.19-15,873.76

Finding the Fourth Proportional to 27,975.28, 38,597.19 and 15,873.76

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Solution

The fourth proportional to 27,975.28, 38,597.19 and 15,873.76 is: 21,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.28 : 38,597.19 = 15,873.76 : x
  2. Step 2: Convert to fraction form
    27,975.28/38,597.19 = 15,873.76/x
  3. Step 3: Cross multiply
    27,975.28x = 38,597.19 × 15,873.76
  4. Step 4: Simplify right side
    27,975.28x = 612,682,530.73
  5. Step 5: Solve for x
    x = 612,682,530.73/27,975.28
  6. Step 6: Final answer
    x = 21,900.85

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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.