Home / 20,173.40-27,796.20-14,859.80

Finding the Fourth Proportional to 20,173.40, 27,796.20 and 14,859.80

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Solution

The fourth proportional to 20,173.40, 27,796.20 and 14,859.80 is: 20,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.40 : 27,796.20 = 14,859.80 : x
  2. Step 2: Convert to fraction form
    20,173.40/27,796.20 = 14,859.80/x
  3. Step 3: Cross multiply
    20,173.40x = 27,796.20 × 14,859.80
  4. Step 4: Simplify right side
    20,173.40x = 413,045,972.76
  5. Step 5: Solve for x
    x = 413,045,972.76/20,173.40
  6. Step 6: Final answer
    x = 20,474.78

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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.