Home / 25,396.03-38,118.62-12,257.65

Finding the Fourth Proportional to 25,396.03, 38,118.62 and 12,257.65

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Solution

The fourth proportional to 25,396.03, 38,118.62 and 12,257.65 is: 18,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.03 : 38,118.62 = 12,257.65 : x
  2. Step 2: Convert to fraction form
    25,396.03/38,118.62 = 12,257.65/x
  3. Step 3: Cross multiply
    25,396.03x = 38,118.62 × 12,257.65
  4. Step 4: Simplify right side
    25,396.03x = 467,244,702.44
  5. Step 5: Solve for x
    x = 467,244,702.44/25,396.03
  6. Step 6: Final answer
    x = 18,398.34

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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.