Home / 25,620.44-38,329.34-19,398.42

Finding the Fourth Proportional to 25,620.44, 38,329.34 and 19,398.42

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Solution

The fourth proportional to 25,620.44, 38,329.34 and 19,398.42 is: 29,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.44 : 38,329.34 = 19,398.42 : x
  2. Step 2: Convert to fraction form
    25,620.44/38,329.34 = 19,398.42/x
  3. Step 3: Cross multiply
    25,620.44x = 38,329.34 × 19,398.42
  4. Step 4: Simplify right side
    25,620.44x = 743,528,538.65
  5. Step 5: Solve for x
    x = 743,528,538.65/25,620.44
  6. Step 6: Final answer
    x = 29,020.92

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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.