Home / 25,405.44-38,121.16-12,093.48

Finding the Fourth Proportional to 25,405.44, 38,121.16 and 12,093.48

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Solution

The fourth proportional to 25,405.44, 38,121.16 and 12,093.48 is: 18,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.44 : 38,121.16 = 12,093.48 : x
  2. Step 2: Convert to fraction form
    25,405.44/38,121.16 = 12,093.48/x
  3. Step 3: Cross multiply
    25,405.44x = 38,121.16 × 12,093.48
  4. Step 4: Simplify right side
    25,405.44x = 461,017,486.04
  5. Step 5: Solve for x
    x = 461,017,486.04/25,405.44
  6. Step 6: Final answer
    x = 18,146.41

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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.