Home / 38,660.28-57,982.68-18,926.52

Finding the Fourth Proportional to 38,660.28, 57,982.68 and 18,926.52

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Solution

The fourth proportional to 38,660.28, 57,982.68 and 18,926.52 is: 28,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.28 : 57,982.68 = 18,926.52 : x
  2. Step 2: Convert to fraction form
    38,660.28/57,982.68 = 18,926.52/x
  3. Step 3: Cross multiply
    38,660.28x = 57,982.68 × 18,926.52
  4. Step 4: Simplify right side
    38,660.28x = 1,097,410,352.67
  5. Step 5: Solve for x
    x = 1,097,410,352.67/38,660.28
  6. Step 6: Final answer
    x = 28,385.99

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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.