Home / 28,249.32-38,984.31-16,314.69

Finding the Fourth Proportional to 28,249.32, 38,984.31 and 16,314.69

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Solution

The fourth proportional to 28,249.32, 38,984.31 and 16,314.69 is: 22,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.32 : 38,984.31 = 16,314.69 : x
  2. Step 2: Convert to fraction form
    28,249.32/38,984.31 = 16,314.69/x
  3. Step 3: Cross multiply
    28,249.32x = 38,984.31 × 16,314.69
  4. Step 4: Simplify right side
    28,249.32x = 636,016,932.51
  5. Step 5: Solve for x
    x = 636,016,932.51/28,249.32
  6. Step 6: Final answer
    x = 22,514.42

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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.