Home / 21,832.39-32,726.58-12,469.33

Finding the Fourth Proportional to 21,832.39, 32,726.58 and 12,469.33

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Solution

The fourth proportional to 21,832.39, 32,726.58 and 12,469.33 is: 18,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.39 : 32,726.58 = 12,469.33 : x
  2. Step 2: Convert to fraction form
    21,832.39/32,726.58 = 12,469.33/x
  3. Step 3: Cross multiply
    21,832.39x = 32,726.58 × 12,469.33
  4. Step 4: Simplify right side
    21,832.39x = 408,078,525.79
  5. Step 5: Solve for x
    x = 408,078,525.79/21,832.39
  6. Step 6: Final answer
    x = 18,691.43

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1.5x scale

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.