Home / 23,163.60-34,728.93-18,771.38

Finding the Fourth Proportional to 23,163.60, 34,728.93 and 18,771.38

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Solution

The fourth proportional to 23,163.60, 34,728.93 and 18,771.38 is: 28,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.60 : 34,728.93 = 18,771.38 : x
  2. Step 2: Convert to fraction form
    23,163.60/34,728.93 = 18,771.38/x
  3. Step 3: Cross multiply
    23,163.60x = 34,728.93 × 18,771.38
  4. Step 4: Simplify right side
    23,163.60x = 651,909,768.38
  5. Step 5: Solve for x
    x = 651,909,768.38/23,163.60
  6. Step 6: Final answer
    x = 28,143.72

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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.