Home / 28,873.90-43,307.20-9,152.65

Finding the Fourth Proportional to 28,873.90, 43,307.20 and 9,152.65

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Solution

The fourth proportional to 28,873.90, 43,307.20 and 9,152.65 is: 13,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.90 : 43,307.20 = 9,152.65 : x
  2. Step 2: Convert to fraction form
    28,873.90/43,307.20 = 9,152.65/x
  3. Step 3: Cross multiply
    28,873.90x = 43,307.20 × 9,152.65
  4. Step 4: Simplify right side
    28,873.90x = 396,375,644.08
  5. Step 5: Solve for x
    x = 396,375,644.08/28,873.90
  6. Step 6: Final answer
    x = 13,727.82

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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.