Home / 28,677.06-43,010.10-11,144.52

Finding the Fourth Proportional to 28,677.06, 43,010.10 and 11,144.52

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Solution

The fourth proportional to 28,677.06, 43,010.10 and 11,144.52 is: 16,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.06 : 43,010.10 = 11,144.52 : x
  2. Step 2: Convert to fraction form
    28,677.06/43,010.10 = 11,144.52/x
  3. Step 3: Cross multiply
    28,677.06x = 43,010.10 × 11,144.52
  4. Step 4: Simplify right side
    28,677.06x = 479,326,919.65
  5. Step 5: Solve for x
    x = 479,326,919.65/28,677.06
  6. Step 6: Final answer
    x = 16,714.65

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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.