Home / 25,949.87-38,918.83-10,155.27

Finding the Fourth Proportional to 25,949.87, 38,918.83 and 10,155.27

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Solution

The fourth proportional to 25,949.87, 38,918.83 and 10,155.27 is: 15,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.87 : 38,918.83 = 10,155.27 : x
  2. Step 2: Convert to fraction form
    25,949.87/38,918.83 = 10,155.27/x
  3. Step 3: Cross multiply
    25,949.87x = 38,918.83 × 10,155.27
  4. Step 4: Simplify right side
    25,949.87x = 395,231,366.33
  5. Step 5: Solve for x
    x = 395,231,366.33/25,949.87
  6. Step 6: Final answer
    x = 15,230.57

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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.