Home / 27,793.05-38,328.50-25,728.90

Finding the Fourth Proportional to 27,793.05, 38,328.50 and 25,728.90

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Solution

The fourth proportional to 27,793.05, 38,328.50 and 25,728.90 is: 35,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.05 : 38,328.50 = 25,728.90 : x
  2. Step 2: Convert to fraction form
    27,793.05/38,328.50 = 25,728.90/x
  3. Step 3: Cross multiply
    27,793.05x = 38,328.50 × 25,728.90
  4. Step 4: Simplify right side
    27,793.05x = 986,150,015.01
  5. Step 5: Solve for x
    x = 986,150,015.01/27,793.05
  6. Step 6: Final answer
    x = 35,481.89

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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.