Home / 43,978.23-65,974.34-15,895.44

Finding the Fourth Proportional to 43,978.23, 65,974.34 and 15,895.44

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Solution

The fourth proportional to 43,978.23, 65,974.34 and 15,895.44 is: 23,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.23 : 65,974.34 = 15,895.44 : x
  2. Step 2: Convert to fraction form
    43,978.23/65,974.34 = 15,895.44/x
  3. Step 3: Cross multiply
    43,978.23x = 65,974.34 × 15,895.44
  4. Step 4: Simplify right side
    43,978.23x = 1,048,691,163.01
  5. Step 5: Solve for x
    x = 1,048,691,163.01/43,978.23
  6. Step 6: Final answer
    x = 23,845.69

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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.