Home / 27,019.32-37,286.51-15,691.60

Finding the Fourth Proportional to 27,019.32, 37,286.51 and 15,691.60

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Solution

The fourth proportional to 27,019.32, 37,286.51 and 15,691.60 is: 21,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.32 : 37,286.51 = 15,691.60 : x
  2. Step 2: Convert to fraction form
    27,019.32/37,286.51 = 15,691.60/x
  3. Step 3: Cross multiply
    27,019.32x = 37,286.51 × 15,691.60
  4. Step 4: Simplify right side
    27,019.32x = 585,085,000.32
  5. Step 5: Solve for x
    x = 585,085,000.32/27,019.32
  6. Step 6: Final answer
    x = 21,654.32

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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.