Home / 28,874.82-39,846.07-16,127.79

Finding the Fourth Proportional to 28,874.82, 39,846.07 and 16,127.79

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Solution

The fourth proportional to 28,874.82, 39,846.07 and 16,127.79 is: 22,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.82 : 39,846.07 = 16,127.79 : x
  2. Step 2: Convert to fraction form
    28,874.82/39,846.07 = 16,127.79/x
  3. Step 3: Cross multiply
    28,874.82x = 39,846.07 × 16,127.79
  4. Step 4: Simplify right side
    28,874.82x = 642,629,049.29
  5. Step 5: Solve for x
    x = 642,629,049.29/28,874.82
  6. Step 6: Final answer
    x = 22,255.69

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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.