Home / 28,961.85-43,433.52-9,235.79

Finding the Fourth Proportional to 28,961.85, 43,433.52 and 9,235.79

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Solution

The fourth proportional to 28,961.85, 43,433.52 and 9,235.79 is: 13,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.85 : 43,433.52 = 9,235.79 : x
  2. Step 2: Convert to fraction form
    28,961.85/43,433.52 = 9,235.79/x
  3. Step 3: Cross multiply
    28,961.85x = 43,433.52 × 9,235.79
  4. Step 4: Simplify right side
    28,961.85x = 401,142,652.51
  5. Step 5: Solve for x
    x = 401,142,652.51/28,961.85
  6. Step 6: Final answer
    x = 13,850.73

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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.