Home / 28,067.72-38,738.44-16,737.96

Finding the Fourth Proportional to 28,067.72, 38,738.44 and 16,737.96

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Solution

The fourth proportional to 28,067.72, 38,738.44 and 16,737.96 is: 23,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.72 : 38,738.44 = 16,737.96 : x
  2. Step 2: Convert to fraction form
    28,067.72/38,738.44 = 16,737.96/x
  3. Step 3: Cross multiply
    28,067.72x = 38,738.44 × 16,737.96
  4. Step 4: Simplify right side
    28,067.72x = 648,402,459.18
  5. Step 5: Solve for x
    x = 648,402,459.18/28,067.72
  6. Step 6: Final answer
    x = 23,101.36

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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.