Home / 28,879.92-39,856.95-17,546.79

Finding the Fourth Proportional to 28,879.92, 39,856.95 and 17,546.79

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Solution

The fourth proportional to 28,879.92, 39,856.95 and 17,546.79 is: 24,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.92 : 39,856.95 = 17,546.79 : x
  2. Step 2: Convert to fraction form
    28,879.92/39,856.95 = 17,546.79/x
  3. Step 3: Cross multiply
    28,879.92x = 39,856.95 × 17,546.79
  4. Step 4: Simplify right side
    28,879.92x = 699,361,531.69
  5. Step 5: Solve for x
    x = 699,361,531.69/28,879.92
  6. Step 6: Final answer
    x = 24,216.19

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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.