Home / 28,052.55-38,715.93-16,115.85

Finding the Fourth Proportional to 28,052.55, 38,715.93 and 16,115.85

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Solution

The fourth proportional to 28,052.55, 38,715.93 and 16,115.85 is: 22,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.55 : 38,715.93 = 16,115.85 : x
  2. Step 2: Convert to fraction form
    28,052.55/38,715.93 = 16,115.85/x
  3. Step 3: Cross multiply
    28,052.55x = 38,715.93 × 16,115.85
  4. Step 4: Simplify right side
    28,052.55x = 623,940,120.49
  5. Step 5: Solve for x
    x = 623,940,120.49/28,052.55
  6. Step 6: Final answer
    x = 22,241.83

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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.