Home / 28,067.16-38,732.40-16,134.24

Finding the Fourth Proportional to 28,067.16, 38,732.40 and 16,134.24

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Solution

The fourth proportional to 28,067.16, 38,732.40 and 16,134.24 is: 22,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.16 : 38,732.40 = 16,134.24 : x
  2. Step 2: Convert to fraction form
    28,067.16/38,732.40 = 16,134.24/x
  3. Step 3: Cross multiply
    28,067.16x = 38,732.40 × 16,134.24
  4. Step 4: Simplify right side
    28,067.16x = 624,917,837.38
  5. Step 5: Solve for x
    x = 624,917,837.38/28,067.16
  6. Step 6: Final answer
    x = 22,265.09

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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.