Home / 20,164.46-27,755.34-14,777.42

Finding the Fourth Proportional to 20,164.46, 27,755.34 and 14,777.42

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Solution

The fourth proportional to 20,164.46, 27,755.34 and 14,777.42 is: 20,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.46 : 27,755.34 = 14,777.42 : x
  2. Step 2: Convert to fraction form
    20,164.46/27,755.34 = 14,777.42/x
  3. Step 3: Cross multiply
    20,164.46x = 27,755.34 × 14,777.42
  4. Step 4: Simplify right side
    20,164.46x = 410,152,316.42
  5. Step 5: Solve for x
    x = 410,152,316.42/20,164.46
  6. Step 6: Final answer
    x = 20,340.36

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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.