Home / 28,131.31-38,833.94-19,067.91

Finding the Fourth Proportional to 28,131.31, 38,833.94 and 19,067.91

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Solution

The fourth proportional to 28,131.31, 38,833.94 and 19,067.91 is: 26,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.31 : 38,833.94 = 19,067.91 : x
  2. Step 2: Convert to fraction form
    28,131.31/38,833.94 = 19,067.91/x
  3. Step 3: Cross multiply
    28,131.31x = 38,833.94 × 19,067.91
  4. Step 4: Simplify right side
    28,131.31x = 740,482,001.72
  5. Step 5: Solve for x
    x = 740,482,001.72/28,131.31
  6. Step 6: Final answer
    x = 26,322.34

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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.