Home / 25,935.54-35,791.75-15,863.79

Finding the Fourth Proportional to 25,935.54, 35,791.75 and 15,863.79

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Solution

The fourth proportional to 25,935.54, 35,791.75 and 15,863.79 is: 21,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.54 : 35,791.75 = 15,863.79 : x
  2. Step 2: Convert to fraction form
    25,935.54/35,791.75 = 15,863.79/x
  3. Step 3: Cross multiply
    25,935.54x = 35,791.75 × 15,863.79
  4. Step 4: Simplify right side
    25,935.54x = 567,792,805.73
  5. Step 5: Solve for x
    x = 567,792,805.73/25,935.54
  6. Step 6: Final answer
    x = 21,892.46

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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.