Home / 20,552.28-30,828.44-4,969.92

Finding the Fourth Proportional to 20,552.28, 30,828.44 and 4,969.92

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Solution

The fourth proportional to 20,552.28, 30,828.44 and 4,969.92 is: 7,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.28 : 30,828.44 = 4,969.92 : x
  2. Step 2: Convert to fraction form
    20,552.28/30,828.44 = 4,969.92/x
  3. Step 3: Cross multiply
    20,552.28x = 30,828.44 × 4,969.92
  4. Step 4: Simplify right side
    20,552.28x = 153,214,855.68
  5. Step 5: Solve for x
    x = 153,214,855.68/20,552.28
  6. Step 6: Final answer
    x = 7,454.88

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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.