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Finding the Fourth Proportional to 34,266.60, 51,399.90 and 10,895.40

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Solution

The fourth proportional to 34,266.60, 51,399.90 and 10,895.40 is: 16,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.60 : 51,399.90 = 10,895.40 : x
  2. Step 2: Convert to fraction form
    34,266.60/51,399.90 = 10,895.40/x
  3. Step 3: Cross multiply
    34,266.60x = 51,399.90 × 10,895.40
  4. Step 4: Simplify right side
    34,266.60x = 560,022,470.46
  5. Step 5: Solve for x
    x = 560,022,470.46/34,266.60
  6. Step 6: Final answer
    x = 16,343.10

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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.