Home / 22,380.35-33,540.29-8,521.79

Finding the Fourth Proportional to 22,380.35, 33,540.29 and 8,521.79

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Solution

The fourth proportional to 22,380.35, 33,540.29 and 8,521.79 is: 12,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.35 : 33,540.29 = 8,521.79 : x
  2. Step 2: Convert to fraction form
    22,380.35/33,540.29 = 8,521.79/x
  3. Step 3: Cross multiply
    22,380.35x = 33,540.29 × 8,521.79
  4. Step 4: Simplify right side
    22,380.35x = 285,823,381.12
  5. Step 5: Solve for x
    x = 285,823,381.12/22,380.35
  6. Step 6: Final answer
    x = 12,771.17

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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.