Home / 28,004.73-38,593.38-20,033.13

Finding the Fourth Proportional to 28,004.73, 38,593.38 and 20,033.13

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Solution

The fourth proportional to 28,004.73, 38,593.38 and 20,033.13 is: 27,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.73 : 38,593.38 = 20,033.13 : x
  2. Step 2: Convert to fraction form
    28,004.73/38,593.38 = 20,033.13/x
  3. Step 3: Cross multiply
    28,004.73x = 38,593.38 × 20,033.13
  4. Step 4: Simplify right side
    28,004.73x = 773,146,198.68
  5. Step 5: Solve for x
    x = 773,146,198.68/28,004.73
  6. Step 6: Final answer
    x = 27,607.70

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Half scale
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Double scale
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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.