Home / 17,402.88-26,106.72-5,717.28

Finding the Fourth Proportional to 17,402.88, 26,106.72 and 5,717.28

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Solution

The fourth proportional to 17,402.88, 26,106.72 and 5,717.28 is: 8,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,402.88 : 26,106.72 = 5,717.28 : x
  2. Step 2: Convert to fraction form
    17,402.88/26,106.72 = 5,717.28/x
  3. Step 3: Cross multiply
    17,402.88x = 26,106.72 × 5,717.28
  4. Step 4: Simplify right side
    17,402.88x = 149,259,428.12
  5. Step 5: Solve for x
    x = 149,259,428.12/17,402.88
  6. Step 6: Final answer
    x = 8,576.71

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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.