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Finding the Fourth Proportional to 34,822.40, 52,233.60 and 8,527.40

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Solution

The fourth proportional to 34,822.40, 52,233.60 and 8,527.40 is: 12,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,822.40 : 52,233.60 = 8,527.40 : x
  2. Step 2: Convert to fraction form
    34,822.40/52,233.60 = 8,527.40/x
  3. Step 3: Cross multiply
    34,822.40x = 52,233.60 × 8,527.40
  4. Step 4: Simplify right side
    34,822.40x = 445,416,800.64
  5. Step 5: Solve for x
    x = 445,416,800.64/34,822.40
  6. Step 6: Final answer
    x = 12,791.10

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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.