Home / 28,855.06-39,819.82-16,107.51

Finding the Fourth Proportional to 28,855.06, 39,819.82 and 16,107.51

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Solution

The fourth proportional to 28,855.06, 39,819.82 and 16,107.51 is: 22,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.06 : 39,819.82 = 16,107.51 : x
  2. Step 2: Convert to fraction form
    28,855.06/39,819.82 = 16,107.51/x
  3. Step 3: Cross multiply
    28,855.06x = 39,819.82 × 16,107.51
  4. Step 4: Simplify right side
    28,855.06x = 641,397,869.21
  5. Step 5: Solve for x
    x = 641,397,869.21/28,855.06
  6. Step 6: Final answer
    x = 22,228.26

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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.