Home / 27,019.41-37,286.65-15,691.69

Finding the Fourth Proportional to 27,019.41, 37,286.65 and 15,691.69

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Solution

The fourth proportional to 27,019.41, 37,286.65 and 15,691.69 is: 21,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.41 : 37,286.65 = 15,691.69 : x
  2. Step 2: Convert to fraction form
    27,019.41/37,286.65 = 15,691.69/x
  3. Step 3: Cross multiply
    27,019.41x = 37,286.65 × 15,691.69
  4. Step 4: Simplify right side
    27,019.41x = 585,090,474.48
  5. Step 5: Solve for x
    x = 585,090,474.48/27,019.41
  6. Step 6: Final answer
    x = 21,654.45

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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.