Home / 25,429.62-38,146.10-8,791.26

Finding the Fourth Proportional to 25,429.62, 38,146.10 and 8,791.26

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Solution

The fourth proportional to 25,429.62, 38,146.10 and 8,791.26 is: 13,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.62 : 38,146.10 = 8,791.26 : x
  2. Step 2: Convert to fraction form
    25,429.62/38,146.10 = 8,791.26/x
  3. Step 3: Cross multiply
    25,429.62x = 38,146.10 × 8,791.26
  4. Step 4: Simplify right side
    25,429.62x = 335,352,283.09
  5. Step 5: Solve for x
    x = 335,352,283.09/25,429.62
  6. Step 6: Final answer
    x = 13,187.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.