Home / 20,055.56-27,663.84-16,086.20

Finding the Fourth Proportional to 20,055.56, 27,663.84 and 16,086.20

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Solution

The fourth proportional to 20,055.56, 27,663.84 and 16,086.20 is: 22,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.56 : 27,663.84 = 16,086.20 : x
  2. Step 2: Convert to fraction form
    20,055.56/27,663.84 = 16,086.20/x
  3. Step 3: Cross multiply
    20,055.56x = 27,663.84 × 16,086.20
  4. Step 4: Simplify right side
    20,055.56x = 445,006,063.01
  5. Step 5: Solve for x
    x = 445,006,063.01/20,055.56
  6. Step 6: Final answer
    x = 22,188.66

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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.