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Finding the Fourth Proportional to 22,288.92, 33,435.03 and 7,497.78

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Solution

The fourth proportional to 22,288.92, 33,435.03 and 7,497.78 is: 11,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.92 : 33,435.03 = 7,497.78 : x
  2. Step 2: Convert to fraction form
    22,288.92/33,435.03 = 7,497.78/x
  3. Step 3: Cross multiply
    22,288.92x = 33,435.03 × 7,497.78
  4. Step 4: Simplify right side
    22,288.92x = 250,688,499.23
  5. Step 5: Solve for x
    x = 250,688,499.23/22,288.92
  6. Step 6: Final answer
    x = 11,247.23

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1.5x scale

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.