Home / 27,873.28-38,464.96-15,297.76

Finding the Fourth Proportional to 27,873.28, 38,464.96 and 15,297.76

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Solution

The fourth proportional to 27,873.28, 38,464.96 and 15,297.76 is: 21,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.28 : 38,464.96 = 15,297.76 : x
  2. Step 2: Convert to fraction form
    27,873.28/38,464.96 = 15,297.76/x
  3. Step 3: Cross multiply
    27,873.28x = 38,464.96 × 15,297.76
  4. Step 4: Simplify right side
    27,873.28x = 588,427,726.49
  5. Step 5: Solve for x
    x = 588,427,726.49/27,873.28
  6. Step 6: Final answer
    x = 21,110.82

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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.