Home / 25,084.97-34,610.36-15,520.26

Finding the Fourth Proportional to 25,084.97, 34,610.36 and 15,520.26

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Solution

The fourth proportional to 25,084.97, 34,610.36 and 15,520.26 is: 21,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,084.97 : 34,610.36 = 15,520.26 : x
  2. Step 2: Convert to fraction form
    25,084.97/34,610.36 = 15,520.26/x
  3. Step 3: Cross multiply
    25,084.97x = 34,610.36 × 15,520.26
  4. Step 4: Simplify right side
    25,084.97x = 537,161,785.89
  5. Step 5: Solve for x
    x = 537,161,785.89/25,084.97
  6. Step 6: Final answer
    x = 21,413.69

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1.5x scale

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.