Home / 21,433.82-32,144.50-8,283.11

Finding the Fourth Proportional to 21,433.82, 32,144.50 and 8,283.11

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Solution

The fourth proportional to 21,433.82, 32,144.50 and 8,283.11 is: 12,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.82 : 32,144.50 = 8,283.11 : x
  2. Step 2: Convert to fraction form
    21,433.82/32,144.50 = 8,283.11/x
  3. Step 3: Cross multiply
    21,433.82x = 32,144.50 × 8,283.11
  4. Step 4: Simplify right side
    21,433.82x = 266,256,413.25
  5. Step 5: Solve for x
    x = 266,256,413.25/21,433.82
  6. Step 6: Final answer
    x = 12,422.26

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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.