Home / 28,067.22-38,731.80-16,730.88

Finding the Fourth Proportional to 28,067.22, 38,731.80 and 16,730.88

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Solution

The fourth proportional to 28,067.22, 38,731.80 and 16,730.88 is: 23,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.22 : 38,731.80 = 16,730.88 : x
  2. Step 2: Convert to fraction form
    28,067.22/38,731.80 = 16,730.88/x
  3. Step 3: Cross multiply
    28,067.22x = 38,731.80 × 16,730.88
  4. Step 4: Simplify right side
    28,067.22x = 648,016,904.33
  5. Step 5: Solve for x
    x = 648,016,904.33/28,067.22
  6. Step 6: Final answer
    x = 23,088.03

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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.