Home / 27,996.64-38,640.65-16,067.77

Finding the Fourth Proportional to 27,996.64, 38,640.65 and 16,067.77

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Solution

The fourth proportional to 27,996.64, 38,640.65 and 16,067.77 is: 22,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.64 : 38,640.65 = 16,067.77 : x
  2. Step 2: Convert to fraction form
    27,996.64/38,640.65 = 16,067.77/x
  3. Step 3: Cross multiply
    27,996.64x = 38,640.65 × 16,067.77
  4. Step 4: Simplify right side
    27,996.64x = 620,868,899.91
  5. Step 5: Solve for x
    x = 620,868,899.91/27,996.64
  6. Step 6: Final answer
    x = 22,176.55

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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.