Home / 33,020.25-45,533.68-28,255.96

Finding the Fourth Proportional to 33,020.25, 45,533.68 and 28,255.96

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Solution

The fourth proportional to 33,020.25, 45,533.68 and 28,255.96 is: 38,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,020.25 : 45,533.68 = 28,255.96 : x
  2. Step 2: Convert to fraction form
    33,020.25/45,533.68 = 28,255.96/x
  3. Step 3: Cross multiply
    33,020.25x = 45,533.68 × 28,255.96
  4. Step 4: Simplify right side
    33,020.25x = 1,286,597,815.20
  5. Step 5: Solve for x
    x = 1,286,597,815.20/33,020.25
  6. Step 6: Final answer
    x = 38,963.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.