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Finding the Fourth Proportional to 28,697.41, 43,046.12 and 8,976.07

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Solution

The fourth proportional to 28,697.41, 43,046.12 and 8,976.07 is: 13,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.41 : 43,046.12 = 8,976.07 : x
  2. Step 2: Convert to fraction form
    28,697.41/43,046.12 = 8,976.07/x
  3. Step 3: Cross multiply
    28,697.41x = 43,046.12 × 8,976.07
  4. Step 4: Simplify right side
    28,697.41x = 386,384,986.35
  5. Step 5: Solve for x
    x = 386,384,986.35/28,697.41
  6. Step 6: Final answer
    x = 13,464.11

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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.