Home / 17,731.31-26,606.07-10,728.05

Finding the Fourth Proportional to 17,731.31, 26,606.07 and 10,728.05

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Solution

The fourth proportional to 17,731.31, 26,606.07 and 10,728.05 is: 16,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.31 : 26,606.07 = 10,728.05 : x
  2. Step 2: Convert to fraction form
    17,731.31/26,606.07 = 10,728.05/x
  3. Step 3: Cross multiply
    17,731.31x = 26,606.07 × 10,728.05
  4. Step 4: Simplify right side
    17,731.31x = 285,431,116.23
  5. Step 5: Solve for x
    x = 285,431,116.23/17,731.31
  6. Step 6: Final answer
    x = 16,097.58

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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.