Home / 10,620.73-15,927.85-2,828.53

Finding the Fourth Proportional to 10,620.73, 15,927.85 and 2,828.53

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Solution

The fourth proportional to 10,620.73, 15,927.85 and 2,828.53 is: 4,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.73 : 15,927.85 = 2,828.53 : x
  2. Step 2: Convert to fraction form
    10,620.73/15,927.85 = 2,828.53/x
  3. Step 3: Cross multiply
    10,620.73x = 15,927.85 × 2,828.53
  4. Step 4: Simplify right side
    10,620.73x = 45,052,401.56
  5. Step 5: Solve for x
    x = 45,052,401.56/10,620.73
  6. Step 6: Final answer
    x = 4,241.93

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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.