Home / 25,413.91-35,074.47-15,348.04

Finding the Fourth Proportional to 25,413.91, 35,074.47 and 15,348.04

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Solution

The fourth proportional to 25,413.91, 35,074.47 and 15,348.04 is: 21,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,413.91 : 35,074.47 = 15,348.04 : x
  2. Step 2: Convert to fraction form
    25,413.91/35,074.47 = 15,348.04/x
  3. Step 3: Cross multiply
    25,413.91x = 35,074.47 × 15,348.04
  4. Step 4: Simplify right side
    25,413.91x = 538,324,368.54
  5. Step 5: Solve for x
    x = 538,324,368.54/25,413.91
  6. Step 6: Final answer
    x = 21,182.27

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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.