Home / 28,850.94-39,811.68-16,103.16

Finding the Fourth Proportional to 28,850.94, 39,811.68 and 16,103.16

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Solution

The fourth proportional to 28,850.94, 39,811.68 and 16,103.16 is: 22,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.94 : 39,811.68 = 16,103.16 : x
  2. Step 2: Convert to fraction form
    28,850.94/39,811.68 = 16,103.16/x
  3. Step 3: Cross multiply
    28,850.94x = 39,811.68 × 16,103.16
  4. Step 4: Simplify right side
    28,850.94x = 641,093,852.91
  5. Step 5: Solve for x
    x = 641,093,852.91/28,850.94
  6. Step 6: Final answer
    x = 22,220.90

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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.