Home / 43,540.26-65,318.49-15,477

Finding the Fourth Proportional to 43,540.26, 65,318.49 and 15,477

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Solution

The fourth proportional to 43,540.26, 65,318.49 and 15,477 is: 23,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,540.26 : 65,318.49 = 15,477 : x
  2. Step 2: Convert to fraction form
    43,540.26/65,318.49 = 15,477/x
  3. Step 3: Cross multiply
    43,540.26x = 65,318.49 × 15,477
  4. Step 4: Simplify right side
    43,540.26x = 1,010,934,269.73
  5. Step 5: Solve for x
    x = 1,010,934,269.73/43,540.26
  6. Step 6: Final answer
    x = 23,218.38

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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.