Home / 27,286.48-37,652.68-15,349.56

Finding the Fourth Proportional to 27,286.48, 37,652.68 and 15,349.56

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Solution

The fourth proportional to 27,286.48, 37,652.68 and 15,349.56 is: 21,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.48 : 37,652.68 = 15,349.56 : x
  2. Step 2: Convert to fraction form
    27,286.48/37,652.68 = 15,349.56/x
  3. Step 3: Cross multiply
    27,286.48x = 37,652.68 × 15,349.56
  4. Step 4: Simplify right side
    27,286.48x = 577,952,070.82
  5. Step 5: Solve for x
    x = 577,952,070.82/27,286.48
  6. Step 6: Final answer
    x = 21,180.90

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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.