Home / 27,660.82-38,175.41-15,561.92

Finding the Fourth Proportional to 27,660.82, 38,175.41 and 15,561.92

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Solution

The fourth proportional to 27,660.82, 38,175.41 and 15,561.92 is: 21,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660.82 : 38,175.41 = 15,561.92 : x
  2. Step 2: Convert to fraction form
    27,660.82/38,175.41 = 15,561.92/x
  3. Step 3: Cross multiply
    27,660.82x = 38,175.41 × 15,561.92
  4. Step 4: Simplify right side
    27,660.82x = 594,082,676.39
  5. Step 5: Solve for x
    x = 594,082,676.39/27,660.82
  6. Step 6: Final answer
    x = 21,477.41

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Half scale
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Double scale
Find fourth proportional to 27,661.82, 38,176.79 and 15,562.92
Similar ratio
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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.