Home / 20,001.07-27,601.68-13,960.09

Finding the Fourth Proportional to 20,001.07, 27,601.68 and 13,960.09

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Solution

The fourth proportional to 20,001.07, 27,601.68 and 13,960.09 is: 19,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.07 : 27,601.68 = 13,960.09 : x
  2. Step 2: Convert to fraction form
    20,001.07/27,601.68 = 13,960.09/x
  3. Step 3: Cross multiply
    20,001.07x = 27,601.68 × 13,960.09
  4. Step 4: Simplify right side
    20,001.07x = 385,321,936.95
  5. Step 5: Solve for x
    x = 385,321,936.95/20,001.07
  6. Step 6: Final answer
    x = 19,265.07

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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.