Home / 20,521.68-30,795.48-8,052

Finding the Fourth Proportional to 20,521.68, 30,795.48 and 8,052

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Solution

The fourth proportional to 20,521.68, 30,795.48 and 8,052 is: 12,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,521.68 : 30,795.48 = 8,052 : x
  2. Step 2: Convert to fraction form
    20,521.68/30,795.48 = 8,052/x
  3. Step 3: Cross multiply
    20,521.68x = 30,795.48 × 8,052
  4. Step 4: Simplify right side
    20,521.68x = 247,965,204.96
  5. Step 5: Solve for x
    x = 247,965,204.96/20,521.68
  6. Step 6: Final answer
    x = 12,083.09

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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.