Home / 23,172.85-34,773.41-21,290.82

Finding the Fourth Proportional to 23,172.85, 34,773.41 and 21,290.82

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Solution

The fourth proportional to 23,172.85, 34,773.41 and 21,290.82 is: 31,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.85 : 34,773.41 = 21,290.82 : x
  2. Step 2: Convert to fraction form
    23,172.85/34,773.41 = 21,290.82/x
  3. Step 3: Cross multiply
    23,172.85x = 34,773.41 × 21,290.82
  4. Step 4: Simplify right side
    23,172.85x = 740,354,413.10
  5. Step 5: Solve for x
    x = 740,354,413.10/23,172.85
  6. Step 6: Final answer
    x = 31,949.22

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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.