Home / 25,949.11-38,938.46-10,155.42

Finding the Fourth Proportional to 25,949.11, 38,938.46 and 10,155.42

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Solution

The fourth proportional to 25,949.11, 38,938.46 and 10,155.42 is: 15,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.11 : 38,938.46 = 10,155.42 : x
  2. Step 2: Convert to fraction form
    25,949.11/38,938.46 = 10,155.42/x
  3. Step 3: Cross multiply
    25,949.11x = 38,938.46 × 10,155.42
  4. Step 4: Simplify right side
    25,949.11x = 395,436,415.45
  5. Step 5: Solve for x
    x = 395,436,415.45/25,949.11
  6. Step 6: Final answer
    x = 15,238.92

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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.