Home / 19,200.92-28,803.81-7,512.62

Finding the Fourth Proportional to 19,200.92, 28,803.81 and 7,512.62

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Solution

The fourth proportional to 19,200.92, 28,803.81 and 7,512.62 is: 11,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.92 : 28,803.81 = 7,512.62 : x
  2. Step 2: Convert to fraction form
    19,200.92/28,803.81 = 7,512.62/x
  3. Step 3: Cross multiply
    19,200.92x = 28,803.81 × 7,512.62
  4. Step 4: Simplify right side
    19,200.92x = 216,392,079.08
  5. Step 5: Solve for x
    x = 216,392,079.08/19,200.92
  6. Step 6: Final answer
    x = 11,269.88

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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.