Home / 20,101.62-27,741.93-11,152

Finding the Fourth Proportional to 20,101.62, 27,741.93 and 11,152

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Solution

The fourth proportional to 20,101.62, 27,741.93 and 11,152 is: 15,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.62 : 27,741.93 = 11,152 : x
  2. Step 2: Convert to fraction form
    20,101.62/27,741.93 = 11,152/x
  3. Step 3: Cross multiply
    20,101.62x = 27,741.93 × 11,152
  4. Step 4: Simplify right side
    20,101.62x = 309,378,003.36
  5. Step 5: Solve for x
    x = 309,378,003.36/20,101.62
  6. Step 6: Final answer
    x = 15,390.70

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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.