Home / 15,676.51-23,515.48-3,989.83

Finding the Fourth Proportional to 15,676.51, 23,515.48 and 3,989.83

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Solution

The fourth proportional to 15,676.51, 23,515.48 and 3,989.83 is: 5,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.51 : 23,515.48 = 3,989.83 : x
  2. Step 2: Convert to fraction form
    15,676.51/23,515.48 = 3,989.83/x
  3. Step 3: Cross multiply
    15,676.51x = 23,515.48 × 3,989.83
  4. Step 4: Simplify right side
    15,676.51x = 93,822,640.02
  5. Step 5: Solve for x
    x = 93,822,640.02/15,676.51
  6. Step 6: Final answer
    x = 5,984.92

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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.