Home / 15,676.26-23,514.75-3,989.49

Finding the Fourth Proportional to 15,676.26, 23,514.75 and 3,989.49

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Solution

The fourth proportional to 15,676.26, 23,514.75 and 3,989.49 is: 5,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.26 : 23,514.75 = 3,989.49 : x
  2. Step 2: Convert to fraction form
    15,676.26/23,514.75 = 3,989.49/x
  3. Step 3: Cross multiply
    15,676.26x = 23,514.75 × 3,989.49
  4. Step 4: Simplify right side
    15,676.26x = 93,811,859.98
  5. Step 5: Solve for x
    x = 93,811,859.98/15,676.26
  6. Step 6: Final answer
    x = 5,984.33

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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.