Home / 28,791.71-39,693.87-25,839.26

Finding the Fourth Proportional to 28,791.71, 39,693.87 and 25,839.26

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Solution

The fourth proportional to 28,791.71, 39,693.87 and 25,839.26 is: 35,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.71 : 39,693.87 = 25,839.26 : x
  2. Step 2: Convert to fraction form
    28,791.71/39,693.87 = 25,839.26/x
  3. Step 3: Cross multiply
    28,791.71x = 39,693.87 × 25,839.26
  4. Step 4: Simplify right side
    28,791.71x = 1,025,660,028.87
  5. Step 5: Solve for x
    x = 1,025,660,028.87/28,791.71
  6. Step 6: Final answer
    x = 35,623.46

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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.