Home / 27,919.22-38,528.46-15,982.79

Finding the Fourth Proportional to 27,919.22, 38,528.46 and 15,982.79

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Solution

The fourth proportional to 27,919.22, 38,528.46 and 15,982.79 is: 22,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.22 : 38,528.46 = 15,982.79 : x
  2. Step 2: Convert to fraction form
    27,919.22/38,528.46 = 15,982.79/x
  3. Step 3: Cross multiply
    27,919.22x = 38,528.46 × 15,982.79
  4. Step 4: Simplify right side
    27,919.22x = 615,792,092.56
  5. Step 5: Solve for x
    x = 615,792,092.56/27,919.22
  6. Step 6: Final answer
    x = 22,056.21

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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.