Home / 27,828.70-41,590.25-20,348.02

Finding the Fourth Proportional to 27,828.70, 41,590.25 and 20,348.02

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Solution

The fourth proportional to 27,828.70, 41,590.25 and 20,348.02 is: 30,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.70 : 41,590.25 = 20,348.02 : x
  2. Step 2: Convert to fraction form
    27,828.70/41,590.25 = 20,348.02/x
  3. Step 3: Cross multiply
    27,828.70x = 41,590.25 × 20,348.02
  4. Step 4: Simplify right side
    27,828.70x = 846,279,145.87
  5. Step 5: Solve for x
    x = 846,279,145.87/27,828.70
  6. Step 6: Final answer
    x = 30,410.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.