Home / 27,019.07-37,286.17-15,691.35

Finding the Fourth Proportional to 27,019.07, 37,286.17 and 15,691.35

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Solution

The fourth proportional to 27,019.07, 37,286.17 and 15,691.35 is: 21,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.07 : 37,286.17 = 15,691.35 : x
  2. Step 2: Convert to fraction form
    27,019.07/37,286.17 = 15,691.35/x
  3. Step 3: Cross multiply
    27,019.07x = 37,286.17 × 15,691.35
  4. Step 4: Simplify right side
    27,019.07x = 585,070,343.63
  5. Step 5: Solve for x
    x = 585,070,343.63/27,019.07
  6. Step 6: Final answer
    x = 21,653.98

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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.