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Finding the Fourth Proportional to 22,482.25, 33,725.01 and 8,631.25

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Solution

The fourth proportional to 22,482.25, 33,725.01 and 8,631.25 is: 12,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.25 : 33,725.01 = 8,631.25 : x
  2. Step 2: Convert to fraction form
    22,482.25/33,725.01 = 8,631.25/x
  3. Step 3: Cross multiply
    22,482.25x = 33,725.01 × 8,631.25
  4. Step 4: Simplify right side
    22,482.25x = 291,088,992.56
  5. Step 5: Solve for x
    x = 291,088,992.56/22,482.25
  6. Step 6: Final answer
    x = 12,947.50

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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.