Home / 28,958.70-43,442.19-9,237.48

Finding the Fourth Proportional to 28,958.70, 43,442.19 and 9,237.48

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Solution

The fourth proportional to 28,958.70, 43,442.19 and 9,237.48 is: 13,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.70 : 43,442.19 = 9,237.48 : x
  2. Step 2: Convert to fraction form
    28,958.70/43,442.19 = 9,237.48/x
  3. Step 3: Cross multiply
    28,958.70x = 43,442.19 × 9,237.48
  4. Step 4: Simplify right side
    28,958.70x = 401,296,361.28
  5. Step 5: Solve for x
    x = 401,296,361.28/28,958.70
  6. Step 6: Final answer
    x = 13,857.54

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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.