Home / 25,395.18-35,049.22-15,836.62

Finding the Fourth Proportional to 25,395.18, 35,049.22 and 15,836.62

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Solution

The fourth proportional to 25,395.18, 35,049.22 and 15,836.62 is: 21,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.18 : 35,049.22 = 15,836.62 : x
  2. Step 2: Convert to fraction form
    25,395.18/35,049.22 = 15,836.62/x
  3. Step 3: Cross multiply
    25,395.18x = 35,049.22 × 15,836.62
  4. Step 4: Simplify right side
    25,395.18x = 555,061,178.44
  5. Step 5: Solve for x
    x = 555,061,178.44/25,395.18
  6. Step 6: Final answer
    x = 21,856.95

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Why These Related Problems?

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