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Finding the Fourth Proportional to 17,230, 25,845 and 5,544.40

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Solution

The fourth proportional to 17,230, 25,845 and 5,544.40 is: 8,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,230 : 25,845 = 5,544.40 : x
  2. Step 2: Convert to fraction form
    17,230/25,845 = 5,544.40/x
  3. Step 3: Cross multiply
    17,230x = 25,845 × 5,544.40
  4. Step 4: Simplify right side
    17,230x = 143,295,018
  5. Step 5: Solve for x
    x = 143,295,018/17,230
  6. Step 6: Final answer
    x = 8,316.60

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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.