Home / 28,064.92-38,716.23-16,727.89

Finding the Fourth Proportional to 28,064.92, 38,716.23 and 16,727.89

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Solution

The fourth proportional to 28,064.92, 38,716.23 and 16,727.89 is: 23,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.92 : 38,716.23 = 16,727.89 : x
  2. Step 2: Convert to fraction form
    28,064.92/38,716.23 = 16,727.89/x
  3. Step 3: Cross multiply
    28,064.92x = 38,716.23 × 16,727.89
  4. Step 4: Simplify right side
    28,064.92x = 647,640,836.65
  5. Step 5: Solve for x
    x = 647,640,836.65/28,064.92
  6. Step 6: Final answer
    x = 23,076.53

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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.