Home / 20,413.28-30,592.38-15,467.42

Finding the Fourth Proportional to 20,413.28, 30,592.38 and 15,467.42

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Solution

The fourth proportional to 20,413.28, 30,592.38 and 15,467.42 is: 23,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.28 : 30,592.38 = 15,467.42 : x
  2. Step 2: Convert to fraction form
    20,413.28/30,592.38 = 15,467.42/x
  3. Step 3: Cross multiply
    20,413.28x = 30,592.38 × 15,467.42
  4. Step 4: Simplify right side
    20,413.28x = 473,185,190.26
  5. Step 5: Solve for x
    x = 473,185,190.26/20,413.28
  6. Step 6: Final answer
    x = 23,180.26

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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.