Home / 21,904.33-32,859.23-8,575.61

Finding the Fourth Proportional to 21,904.33, 32,859.23 and 8,575.61

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Solution

The fourth proportional to 21,904.33, 32,859.23 and 8,575.61 is: 12,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.33 : 32,859.23 = 8,575.61 : x
  2. Step 2: Convert to fraction form
    21,904.33/32,859.23 = 8,575.61/x
  3. Step 3: Cross multiply
    21,904.33x = 32,859.23 × 8,575.61
  4. Step 4: Simplify right side
    21,904.33x = 281,787,734.21
  5. Step 5: Solve for x
    x = 281,787,734.21/21,904.33
  6. Step 6: Final answer
    x = 12,864.48

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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.