Home / 20,150.43-27,778.28-14,081.83

Finding the Fourth Proportional to 20,150.43, 27,778.28 and 14,081.83

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Solution

The fourth proportional to 20,150.43, 27,778.28 and 14,081.83 is: 19,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.43 : 27,778.28 = 14,081.83 : x
  2. Step 2: Convert to fraction form
    20,150.43/27,778.28 = 14,081.83/x
  3. Step 3: Cross multiply
    20,150.43x = 27,778.28 × 14,081.83
  4. Step 4: Simplify right side
    20,150.43x = 391,168,918.62
  5. Step 5: Solve for x
    x = 391,168,918.62/20,150.43
  6. Step 6: Final answer
    x = 19,412.44

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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.