Home / 27,633.48-38,138.82-16,305.78

Finding the Fourth Proportional to 27,633.48, 38,138.82 and 16,305.78

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Solution

The fourth proportional to 27,633.48, 38,138.82 and 16,305.78 is: 22,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,633.48 : 38,138.82 = 16,305.78 : x
  2. Step 2: Convert to fraction form
    27,633.48/38,138.82 = 16,305.78/x
  3. Step 3: Cross multiply
    27,633.48x = 38,138.82 × 16,305.78
  4. Step 4: Simplify right side
    27,633.48x = 621,883,208.38
  5. Step 5: Solve for x
    x = 621,883,208.38/27,633.48
  6. Step 6: Final answer
    x = 22,504.70

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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.