Home / 20,241.92-27,927.36-15,979.52

Finding the Fourth Proportional to 20,241.92, 27,927.36 and 15,979.52

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Solution

The fourth proportional to 20,241.92, 27,927.36 and 15,979.52 is: 22,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.92 : 27,927.36 = 15,979.52 : x
  2. Step 2: Convert to fraction form
    20,241.92/27,927.36 = 15,979.52/x
  3. Step 3: Cross multiply
    20,241.92x = 27,927.36 × 15,979.52
  4. Step 4: Simplify right side
    20,241.92x = 446,265,807.67
  5. Step 5: Solve for x
    x = 446,265,807.67/20,241.92
  6. Step 6: Final answer
    x = 22,046.61

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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.