Home / 21,169.26-29,146.92-17,976.24

Finding the Fourth Proportional to 21,169.26, 29,146.92 and 17,976.24

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Solution

The fourth proportional to 21,169.26, 29,146.92 and 17,976.24 is: 24,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169.26 : 29,146.92 = 17,976.24 : x
  2. Step 2: Convert to fraction form
    21,169.26/29,146.92 = 17,976.24/x
  3. Step 3: Cross multiply
    21,169.26x = 29,146.92 × 17,976.24
  4. Step 4: Simplify right side
    21,169.26x = 523,952,029.18
  5. Step 5: Solve for x
    x = 523,952,029.18/21,169.26
  6. Step 6: Final answer
    x = 24,750.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.