Home / 25,982.25-38,979.99-7,262.30

Finding the Fourth Proportional to 25,982.25, 38,979.99 and 7,262.30

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Solution

The fourth proportional to 25,982.25, 38,979.99 and 7,262.30 is: 10,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.25 : 38,979.99 = 7,262.30 : x
  2. Step 2: Convert to fraction form
    25,982.25/38,979.99 = 7,262.30/x
  3. Step 3: Cross multiply
    25,982.25x = 38,979.99 × 7,262.30
  4. Step 4: Simplify right side
    25,982.25x = 283,084,186.48
  5. Step 5: Solve for x
    x = 283,084,186.48/25,982.25
  6. Step 6: Final answer
    x = 10,895.29

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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.