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Finding the Fourth Proportional to 27,502.70, 41,255.40 and 14,380.70

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Solution

The fourth proportional to 27,502.70, 41,255.40 and 14,380.70 is: 21,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,502.70 : 41,255.40 = 14,380.70 : x
  2. Step 2: Convert to fraction form
    27,502.70/41,255.40 = 14,380.70/x
  3. Step 3: Cross multiply
    27,502.70x = 41,255.40 × 14,380.70
  4. Step 4: Simplify right side
    27,502.70x = 593,281,530.78
  5. Step 5: Solve for x
    x = 593,281,530.78/27,502.70
  6. Step 6: Final answer
    x = 21,571.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.