Home / 28,096.25-38,771.08-15,346.85

Finding the Fourth Proportional to 28,096.25, 38,771.08 and 15,346.85

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Solution

The fourth proportional to 28,096.25, 38,771.08 and 15,346.85 is: 21,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.25 : 38,771.08 = 15,346.85 : x
  2. Step 2: Convert to fraction form
    28,096.25/38,771.08 = 15,346.85/x
  3. Step 3: Cross multiply
    28,096.25x = 38,771.08 × 15,346.85
  4. Step 4: Simplify right side
    28,096.25x = 595,013,716.88
  5. Step 5: Solve for x
    x = 595,013,716.88/28,096.25
  6. Step 6: Final answer
    x = 21,177.70

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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.