Home / 19,578.12-29,367.42-5,727.40

Finding the Fourth Proportional to 19,578.12, 29,367.42 and 5,727.40

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Solution

The fourth proportional to 19,578.12, 29,367.42 and 5,727.40 is: 8,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.12 : 29,367.42 = 5,727.40 : x
  2. Step 2: Convert to fraction form
    19,578.12/29,367.42 = 5,727.40/x
  3. Step 3: Cross multiply
    19,578.12x = 29,367.42 × 5,727.40
  4. Step 4: Simplify right side
    19,578.12x = 168,198,961.31
  5. Step 5: Solve for x
    x = 168,198,961.31/19,578.12
  6. Step 6: Final answer
    x = 8,591.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.