Home / 15,676.45-23,514.05-3,989.97

Finding the Fourth Proportional to 15,676.45, 23,514.05 and 3,989.97

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Solution

The fourth proportional to 15,676.45, 23,514.05 and 3,989.97 is: 5,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.45 : 23,514.05 = 3,989.97 : x
  2. Step 2: Convert to fraction form
    15,676.45/23,514.05 = 3,989.97/x
  3. Step 3: Cross multiply
    15,676.45x = 23,514.05 × 3,989.97
  4. Step 4: Simplify right side
    15,676.45x = 93,820,364.05
  5. Step 5: Solve for x
    x = 93,820,364.05/15,676.45
  6. Step 6: Final answer
    x = 5,984.80

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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.