Home / 21,976.29-32,963.40-7,183.26

Finding the Fourth Proportional to 21,976.29, 32,963.40 and 7,183.26

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Solution

The fourth proportional to 21,976.29, 32,963.40 and 7,183.26 is: 10,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.29 : 32,963.40 = 7,183.26 : x
  2. Step 2: Convert to fraction form
    21,976.29/32,963.40 = 7,183.26/x
  3. Step 3: Cross multiply
    21,976.29x = 32,963.40 × 7,183.26
  4. Step 4: Simplify right side
    21,976.29x = 236,784,672.68
  5. Step 5: Solve for x
    x = 236,784,672.68/21,976.29
  6. Step 6: Final answer
    x = 10,774.55

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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.