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Finding the Fourth Proportional to 17,020.81, 25,532.02 and 5,334.13

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Solution

The fourth proportional to 17,020.81, 25,532.02 and 5,334.13 is: 8,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.81 : 25,532.02 = 5,334.13 : x
  2. Step 2: Convert to fraction form
    17,020.81/25,532.02 = 5,334.13/x
  3. Step 3: Cross multiply
    17,020.81x = 25,532.02 × 5,334.13
  4. Step 4: Simplify right side
    17,020.81x = 136,190,986.18
  5. Step 5: Solve for x
    x = 136,190,986.18/17,020.81
  6. Step 6: Final answer
    x = 8,001.44

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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.