Home / 25,145.25-37,719.69-7,616.44

Finding the Fourth Proportional to 25,145.25, 37,719.69 and 7,616.44

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Solution

The fourth proportional to 25,145.25, 37,719.69 and 7,616.44 is: 11,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.25 : 37,719.69 = 7,616.44 : x
  2. Step 2: Convert to fraction form
    25,145.25/37,719.69 = 7,616.44/x
  3. Step 3: Cross multiply
    25,145.25x = 37,719.69 × 7,616.44
  4. Step 4: Simplify right side
    25,145.25x = 287,289,755.70
  5. Step 5: Solve for x
    x = 287,289,755.70/25,145.25
  6. Step 6: Final answer
    x = 11,425.21

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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.