Home / 25,400.28-38,084.22-10,619.40

Finding the Fourth Proportional to 25,400.28, 38,084.22 and 10,619.40

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Solution

The fourth proportional to 25,400.28, 38,084.22 and 10,619.40 is: 15,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.28 : 38,084.22 = 10,619.40 : x
  2. Step 2: Convert to fraction form
    25,400.28/38,084.22 = 10,619.40/x
  3. Step 3: Cross multiply
    25,400.28x = 38,084.22 × 10,619.40
  4. Step 4: Simplify right side
    25,400.28x = 404,431,565.87
  5. Step 5: Solve for x
    x = 404,431,565.87/25,400.28
  6. Step 6: Final answer
    x = 15,922.33

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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.