Home / 20,844.75-28,766.03-11,413.11

Finding the Fourth Proportional to 20,844.75, 28,766.03 and 11,413.11

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Solution

The fourth proportional to 20,844.75, 28,766.03 and 11,413.11 is: 15,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.75 : 28,766.03 = 11,413.11 : x
  2. Step 2: Convert to fraction form
    20,844.75/28,766.03 = 11,413.11/x
  3. Step 3: Cross multiply
    20,844.75x = 28,766.03 × 11,413.11
  4. Step 4: Simplify right side
    20,844.75x = 328,309,807.59
  5. Step 5: Solve for x
    x = 328,309,807.59/20,844.75
  6. Step 6: Final answer
    x = 15,750.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.