Home / 25,969.38-35,837.16-15,212.91

Finding the Fourth Proportional to 25,969.38, 35,837.16 and 15,212.91

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Solution

The fourth proportional to 25,969.38, 35,837.16 and 15,212.91 is: 20,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.38 : 35,837.16 = 15,212.91 : x
  2. Step 2: Convert to fraction form
    25,969.38/35,837.16 = 15,212.91/x
  3. Step 3: Cross multiply
    25,969.38x = 35,837.16 × 15,212.91
  4. Step 4: Simplify right side
    25,969.38x = 545,187,413.67
  5. Step 5: Solve for x
    x = 545,187,413.67/25,969.38
  6. Step 6: Final answer
    x = 20,993.47

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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.