Home / 20,089.20-27,717.48-11,704.08

Finding the Fourth Proportional to 20,089.20, 27,717.48 and 11,704.08

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Solution

The fourth proportional to 20,089.20, 27,717.48 and 11,704.08 is: 16,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.20 : 27,717.48 = 11,704.08 : x
  2. Step 2: Convert to fraction form
    20,089.20/27,717.48 = 11,704.08/x
  3. Step 3: Cross multiply
    20,089.20x = 27,717.48 × 11,704.08
  4. Step 4: Simplify right side
    20,089.20x = 324,407,603.32
  5. Step 5: Solve for x
    x = 324,407,603.32/20,089.20
  6. Step 6: Final answer
    x = 16,148.36

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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.