Home / 25,690.25-38,539.05-7,922.41

Finding the Fourth Proportional to 25,690.25, 38,539.05 and 7,922.41

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Solution

The fourth proportional to 25,690.25, 38,539.05 and 7,922.41 is: 11,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.25 : 38,539.05 = 7,922.41 : x
  2. Step 2: Convert to fraction form
    25,690.25/38,539.05 = 7,922.41/x
  3. Step 3: Cross multiply
    25,690.25x = 38,539.05 × 7,922.41
  4. Step 4: Simplify right side
    25,690.25x = 305,322,115.50
  5. Step 5: Solve for x
    x = 305,322,115.50/25,690.25
  6. Step 6: Final answer
    x = 11,884.75

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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.