Home / 27,945.44-38,570.19-16,016.78

Finding the Fourth Proportional to 27,945.44, 38,570.19 and 16,016.78

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Solution

The fourth proportional to 27,945.44, 38,570.19 and 16,016.78 is: 22,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.44 : 38,570.19 = 16,016.78 : x
  2. Step 2: Convert to fraction form
    27,945.44/38,570.19 = 16,016.78/x
  3. Step 3: Cross multiply
    27,945.44x = 38,570.19 × 16,016.78
  4. Step 4: Simplify right side
    27,945.44x = 617,769,994.87
  5. Step 5: Solve for x
    x = 617,769,994.87/27,945.44
  6. Step 6: Final answer
    x = 22,106.29

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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.