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Finding the Fourth Proportional to 22,047.60, 33,062.60 and 7,252.40

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Solution

The fourth proportional to 22,047.60, 33,062.60 and 7,252.40 is: 10,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.60 : 33,062.60 = 7,252.40 : x
  2. Step 2: Convert to fraction form
    22,047.60/33,062.60 = 7,252.40/x
  3. Step 3: Cross multiply
    22,047.60x = 33,062.60 × 7,252.40
  4. Step 4: Simplify right side
    22,047.60x = 239,783,200.24
  5. Step 5: Solve for x
    x = 239,783,200.24/22,047.60
  6. Step 6: Final answer
    x = 10,875.71

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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.