Home / 22,857.20-34,237.20-18,969.20

Finding the Fourth Proportional to 22,857.20, 34,237.20 and 18,969.20

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Solution

The fourth proportional to 22,857.20, 34,237.20 and 18,969.20 is: 28,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,857.20 : 34,237.20 = 18,969.20 : x
  2. Step 2: Convert to fraction form
    22,857.20/34,237.20 = 18,969.20/x
  3. Step 3: Cross multiply
    22,857.20x = 34,237.20 × 18,969.20
  4. Step 4: Simplify right side
    22,857.20x = 649,452,294.24
  5. Step 5: Solve for x
    x = 649,452,294.24/22,857.20
  6. Step 6: Final answer
    x = 28,413.47

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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.