Home / 21,852.26-32,811.11-12,502.82

Finding the Fourth Proportional to 21,852.26, 32,811.11 and 12,502.82

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Solution

The fourth proportional to 21,852.26, 32,811.11 and 12,502.82 is: 18,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.26 : 32,811.11 = 12,502.82 : x
  2. Step 2: Convert to fraction form
    21,852.26/32,811.11 = 12,502.82/x
  3. Step 3: Cross multiply
    21,852.26x = 32,811.11 × 12,502.82
  4. Step 4: Simplify right side
    21,852.26x = 410,231,402.33
  5. Step 5: Solve for x
    x = 410,231,402.33/21,852.26
  6. Step 6: Final answer
    x = 18,772.95

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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.