Home / 27,286.53-37,655.35-15,349.87

Finding the Fourth Proportional to 27,286.53, 37,655.35 and 15,349.87

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Solution

The fourth proportional to 27,286.53, 37,655.35 and 15,349.87 is: 21,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.53 : 37,655.35 = 15,349.87 : x
  2. Step 2: Convert to fraction form
    27,286.53/37,655.35 = 15,349.87/x
  3. Step 3: Cross multiply
    27,286.53x = 37,655.35 × 15,349.87
  4. Step 4: Simplify right side
    27,286.53x = 578,004,843.25
  5. Step 5: Solve for x
    x = 578,004,843.25/27,286.53
  6. Step 6: Final answer
    x = 21,182.79

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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.