Home / 28,879.22-43,324.96-9,155.18

Finding the Fourth Proportional to 28,879.22, 43,324.96 and 9,155.18

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Solution

The fourth proportional to 28,879.22, 43,324.96 and 9,155.18 is: 13,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.22 : 43,324.96 = 9,155.18 : x
  2. Step 2: Convert to fraction form
    28,879.22/43,324.96 = 9,155.18/x
  3. Step 3: Cross multiply
    28,879.22x = 43,324.96 × 9,155.18
  4. Step 4: Simplify right side
    28,879.22x = 396,647,807.29
  5. Step 5: Solve for x
    x = 396,647,807.29/28,879.22
  6. Step 6: Final answer
    x = 13,734.71

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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.