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Finding the Fourth Proportional to 17,784.27, 26,676.44 and 16,701.71

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Solution

The fourth proportional to 17,784.27, 26,676.44 and 16,701.71 is: 25,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784.27 : 26,676.44 = 16,701.71 : x
  2. Step 2: Convert to fraction form
    17,784.27/26,676.44 = 16,701.71/x
  3. Step 3: Cross multiply
    17,784.27x = 26,676.44 × 16,701.71
  4. Step 4: Simplify right side
    17,784.27x = 445,541,947.82
  5. Step 5: Solve for x
    x = 445,541,947.82/17,784.27
  6. Step 6: Final answer
    x = 25,052.59

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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.