Home / 27,286.17-37,653.81-15,186.31

Finding the Fourth Proportional to 27,286.17, 37,653.81 and 15,186.31

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Solution

The fourth proportional to 27,286.17, 37,653.81 and 15,186.31 is: 20,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.17 : 37,653.81 = 15,186.31 : x
  2. Step 2: Convert to fraction form
    27,286.17/37,653.81 = 15,186.31/x
  3. Step 3: Cross multiply
    27,286.17x = 37,653.81 × 15,186.31
  4. Step 4: Simplify right side
    27,286.17x = 571,822,431.34
  5. Step 5: Solve for x
    x = 571,822,431.34/27,286.17
  6. Step 6: Final answer
    x = 20,956.49

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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.