Home / 22,573.73-33,622.25-21,388.30

Finding the Fourth Proportional to 22,573.73, 33,622.25 and 21,388.30

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Solution

The fourth proportional to 22,573.73, 33,622.25 and 21,388.30 is: 31,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,573.73 : 33,622.25 = 21,388.30 : x
  2. Step 2: Convert to fraction form
    22,573.73/33,622.25 = 21,388.30/x
  3. Step 3: Cross multiply
    22,573.73x = 33,622.25 × 21,388.30
  4. Step 4: Simplify right side
    22,573.73x = 719,122,769.68
  5. Step 5: Solve for x
    x = 719,122,769.68/22,573.73
  6. Step 6: Final answer
    x = 31,856.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.