Home / 23,163.17-31,968-15,105.44

Finding the Fourth Proportional to 23,163.17, 31,968 and 15,105.44

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Solution

The fourth proportional to 23,163.17, 31,968 and 15,105.44 is: 20,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.17 : 31,968 = 15,105.44 : x
  2. Step 2: Convert to fraction form
    23,163.17/31,968 = 15,105.44/x
  3. Step 3: Cross multiply
    23,163.17x = 31,968 × 15,105.44
  4. Step 4: Simplify right side
    23,163.17x = 482,890,705.92
  5. Step 5: Solve for x
    x = 482,890,705.92/23,163.17
  6. Step 6: Final answer
    x = 20,847.35

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1.5x scale

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.