Home / 28,855.04-39,817.76-16,107.26

Finding the Fourth Proportional to 28,855.04, 39,817.76 and 16,107.26

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Solution

The fourth proportional to 28,855.04, 39,817.76 and 16,107.26 is: 22,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.04 : 39,817.76 = 16,107.26 : x
  2. Step 2: Convert to fraction form
    28,855.04/39,817.76 = 16,107.26/x
  3. Step 3: Cross multiply
    28,855.04x = 39,817.76 × 16,107.26
  4. Step 4: Simplify right side
    28,855.04x = 641,355,012.94
  5. Step 5: Solve for x
    x = 641,355,012.94/28,855.04
  6. Step 6: Final answer
    x = 22,226.79

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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.