Home / 27,858.07-41,785.57-20,369.30

Finding the Fourth Proportional to 27,858.07, 41,785.57 and 20,369.30

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Solution

The fourth proportional to 27,858.07, 41,785.57 and 20,369.30 is: 30,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.07 : 41,785.57 = 20,369.30 : x
  2. Step 2: Convert to fraction form
    27,858.07/41,785.57 = 20,369.30/x
  3. Step 3: Cross multiply
    27,858.07x = 41,785.57 × 20,369.30
  4. Step 4: Simplify right side
    27,858.07x = 851,142,945.03
  5. Step 5: Solve for x
    x = 851,142,945.03/27,858.07
  6. Step 6: Final answer
    x = 30,552.83

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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.