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Finding the Fourth Proportional to 27,793.80, 40,223.25 and 27,793.80

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Solution

The fourth proportional to 27,793.80, 40,223.25 and 27,793.80 is: 40,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.80 : 40,223.25 = 27,793.80 : x
  2. Step 2: Convert to fraction form
    27,793.80/40,223.25 = 27,793.80/x
  3. Step 3: Cross multiply
    27,793.80x = 40,223.25 × 27,793.80
  4. Step 4: Simplify right side
    27,793.80x = 1,117,956,965.85
  5. Step 5: Solve for x
    x = 1,117,956,965.85/27,793.80
  6. Step 6: Final answer
    x = 40,223.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.