Home / 28,876.22-43,320.45-9,152.18

Finding the Fourth Proportional to 28,876.22, 43,320.45 and 9,152.18

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Solution

The fourth proportional to 28,876.22, 43,320.45 and 9,152.18 is: 13,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.22 : 43,320.45 = 9,152.18 : x
  2. Step 2: Convert to fraction form
    28,876.22/43,320.45 = 9,152.18/x
  3. Step 3: Cross multiply
    28,876.22x = 43,320.45 × 9,152.18
  4. Step 4: Simplify right side
    28,876.22x = 396,476,556.08
  5. Step 5: Solve for x
    x = 396,476,556.08/28,876.22
  6. Step 6: Final answer
    x = 13,730.21

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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.