Home / 28,004.88-38,646.74-16,067.71

Finding the Fourth Proportional to 28,004.88, 38,646.74 and 16,067.71

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Solution

The fourth proportional to 28,004.88, 38,646.74 and 16,067.71 is: 22,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.88 : 38,646.74 = 16,067.71 : x
  2. Step 2: Convert to fraction form
    28,004.88/38,646.74 = 16,067.71/x
  3. Step 3: Cross multiply
    28,004.88x = 38,646.74 × 16,067.71
  4. Step 4: Simplify right side
    28,004.88x = 620,964,610.77
  5. Step 5: Solve for x
    x = 620,964,610.77/28,004.88
  6. Step 6: Final answer
    x = 22,173.44

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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.