Home / 25,717.20-35,493.84-15,109.44

Finding the Fourth Proportional to 25,717.20, 35,493.84 and 15,109.44

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Solution

The fourth proportional to 25,717.20, 35,493.84 and 15,109.44 is: 20,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.20 : 35,493.84 = 15,109.44 : x
  2. Step 2: Convert to fraction form
    25,717.20/35,493.84 = 15,109.44/x
  3. Step 3: Cross multiply
    25,717.20x = 35,493.84 × 15,109.44
  4. Step 4: Simplify right side
    25,717.20x = 536,292,045.85
  5. Step 5: Solve for x
    x = 536,292,045.85/25,717.20
  6. Step 6: Final answer
    x = 20,853.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.