Home / 28,855.53-39,820.46-16,107.97

Finding the Fourth Proportional to 28,855.53, 39,820.46 and 16,107.97

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Solution

The fourth proportional to 28,855.53, 39,820.46 and 16,107.97 is: 22,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.53 : 39,820.46 = 16,107.97 : x
  2. Step 2: Convert to fraction form
    28,855.53/39,820.46 = 16,107.97/x
  3. Step 3: Cross multiply
    28,855.53x = 39,820.46 × 16,107.97
  4. Step 4: Simplify right side
    28,855.53x = 641,426,775.07
  5. Step 5: Solve for x
    x = 641,426,775.07/28,855.53
  6. Step 6: Final answer
    x = 22,228.90

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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.