Home / 19,216.46-28,824.70-5,176.52

Finding the Fourth Proportional to 19,216.46, 28,824.70 and 5,176.52

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Solution

The fourth proportional to 19,216.46, 28,824.70 and 5,176.52 is: 7,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.46 : 28,824.70 = 5,176.52 : x
  2. Step 2: Convert to fraction form
    19,216.46/28,824.70 = 5,176.52/x
  3. Step 3: Cross multiply
    19,216.46x = 28,824.70 × 5,176.52
  4. Step 4: Simplify right side
    19,216.46x = 149,211,636.04
  5. Step 5: Solve for x
    x = 149,211,636.04/19,216.46
  6. Step 6: Final answer
    x = 7,764.78

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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.