Home / 28,962.78-43,443.72-9,241.22

Finding the Fourth Proportional to 28,962.78, 43,443.72 and 9,241.22

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Solution

The fourth proportional to 28,962.78, 43,443.72 and 9,241.22 is: 13,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.78 : 43,443.72 = 9,241.22 : x
  2. Step 2: Convert to fraction form
    28,962.78/43,443.72 = 9,241.22/x
  3. Step 3: Cross multiply
    28,962.78x = 43,443.72 × 9,241.22
  4. Step 4: Simplify right side
    28,962.78x = 401,472,756.92
  5. Step 5: Solve for x
    x = 401,472,756.92/28,962.78
  6. Step 6: Final answer
    x = 13,861.68

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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.