Home / 28,005.86-38,643.99-16,067.27

Finding the Fourth Proportional to 28,005.86, 38,643.99 and 16,067.27

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Solution

The fourth proportional to 28,005.86, 38,643.99 and 16,067.27 is: 22,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.86 : 38,643.99 = 16,067.27 : x
  2. Step 2: Convert to fraction form
    28,005.86/38,643.99 = 16,067.27/x
  3. Step 3: Cross multiply
    28,005.86x = 38,643.99 × 16,067.27
  4. Step 4: Simplify right side
    28,005.86x = 620,903,227.99
  5. Step 5: Solve for x
    x = 620,903,227.99/28,005.86
  6. Step 6: Final answer
    x = 22,170.48

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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.