Home / 38,428.21-57,660.13-16,246.76

Finding the Fourth Proportional to 38,428.21, 57,660.13 and 16,246.76

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Solution

The fourth proportional to 38,428.21, 57,660.13 and 16,246.76 is: 24,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.21 : 57,660.13 = 16,246.76 : x
  2. Step 2: Convert to fraction form
    38,428.21/57,660.13 = 16,246.76/x
  3. Step 3: Cross multiply
    38,428.21x = 57,660.13 × 16,246.76
  4. Step 4: Simplify right side
    38,428.21x = 936,790,293.68
  5. Step 5: Solve for x
    x = 936,790,293.68/38,428.21
  6. Step 6: Final answer
    x = 24,377.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.