Home / 19,930.21-27,473.62-16,387.27

Finding the Fourth Proportional to 19,930.21, 27,473.62 and 16,387.27

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Solution

The fourth proportional to 19,930.21, 27,473.62 and 16,387.27 is: 22,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.21 : 27,473.62 = 16,387.27 : x
  2. Step 2: Convert to fraction form
    19,930.21/27,473.62 = 16,387.27/x
  3. Step 3: Cross multiply
    19,930.21x = 27,473.62 × 16,387.27
  4. Step 4: Simplify right side
    19,930.21x = 450,217,628.82
  5. Step 5: Solve for x
    x = 450,217,628.82/19,930.21
  6. Step 6: Final answer
    x = 22,589.71

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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.