Home / 27,286.86-37,658.04-15,349.48

Finding the Fourth Proportional to 27,286.86, 37,658.04 and 15,349.48

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Solution

The fourth proportional to 27,286.86, 37,658.04 and 15,349.48 is: 21,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.86 : 37,658.04 = 15,349.48 : x
  2. Step 2: Convert to fraction form
    27,286.86/37,658.04 = 15,349.48/x
  3. Step 3: Cross multiply
    27,286.86x = 37,658.04 × 15,349.48
  4. Step 4: Simplify right side
    27,286.86x = 578,031,331.82
  5. Step 5: Solve for x
    x = 578,031,331.82/27,286.86
  6. Step 6: Final answer
    x = 21,183.50

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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.