Home / 28,489.11-39,298.55-17,150.73

Finding the Fourth Proportional to 28,489.11, 39,298.55 and 17,150.73

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Solution

The fourth proportional to 28,489.11, 39,298.55 and 17,150.73 is: 23,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489.11 : 39,298.55 = 17,150.73 : x
  2. Step 2: Convert to fraction form
    28,489.11/39,298.55 = 17,150.73/x
  3. Step 3: Cross multiply
    28,489.11x = 39,298.55 × 17,150.73
  4. Step 4: Simplify right side
    28,489.11x = 673,998,734.69
  5. Step 5: Solve for x
    x = 673,998,734.69/28,489.11
  6. Step 6: Final answer
    x = 23,658.12

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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.