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Finding the Fourth Proportional to 17,658.51, 26,524.67 and 14,890.64

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Solution

The fourth proportional to 17,658.51, 26,524.67 and 14,890.64 is: 22,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.51 : 26,524.67 = 14,890.64 : x
  2. Step 2: Convert to fraction form
    17,658.51/26,524.67 = 14,890.64/x
  3. Step 3: Cross multiply
    17,658.51x = 26,524.67 × 14,890.64
  4. Step 4: Simplify right side
    17,658.51x = 394,969,105.01
  5. Step 5: Solve for x
    x = 394,969,105.01/17,658.51
  6. Step 6: Final answer
    x = 22,367.07

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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.