Home / 28,468.92-42,645.37-17,217.42

Finding the Fourth Proportional to 28,468.92, 42,645.37 and 17,217.42

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Solution

The fourth proportional to 28,468.92, 42,645.37 and 17,217.42 is: 25,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.92 : 42,645.37 = 17,217.42 : x
  2. Step 2: Convert to fraction form
    28,468.92/42,645.37 = 17,217.42/x
  3. Step 3: Cross multiply
    28,468.92x = 42,645.37 × 17,217.42
  4. Step 4: Simplify right side
    28,468.92x = 734,243,246.35
  5. Step 5: Solve for x
    x = 734,243,246.35/28,468.92
  6. Step 6: Final answer
    x = 25,791.05

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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.