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Finding the Fourth Proportional to 17,273.70, 25,904.04 and 5,583.78

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Solution

The fourth proportional to 17,273.70, 25,904.04 and 5,583.78 is: 8,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.70 : 25,904.04 = 5,583.78 : x
  2. Step 2: Convert to fraction form
    17,273.70/25,904.04 = 5,583.78/x
  3. Step 3: Cross multiply
    17,273.70x = 25,904.04 × 5,583.78
  4. Step 4: Simplify right side
    17,273.70x = 144,642,460.47
  5. Step 5: Solve for x
    x = 144,642,460.47/17,273.70
  6. Step 6: Final answer
    x = 8,373.57

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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.