Home / 28,879.01-43,323.98-9,163.20

Finding the Fourth Proportional to 28,879.01, 43,323.98 and 9,163.20

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Solution

The fourth proportional to 28,879.01, 43,323.98 and 9,163.20 is: 13,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.01 : 43,323.98 = 9,163.20 : x
  2. Step 2: Convert to fraction form
    28,879.01/43,323.98 = 9,163.20/x
  3. Step 3: Cross multiply
    28,879.01x = 43,323.98 × 9,163.20
  4. Step 4: Simplify right side
    28,879.01x = 396,986,247.72
  5. Step 5: Solve for x
    x = 396,986,247.72/28,879.01
  6. Step 6: Final answer
    x = 13,746.53

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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.