Home / 27,286.40-37,655.07-15,349.73

Finding the Fourth Proportional to 27,286.40, 37,655.07 and 15,349.73

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Solution

The fourth proportional to 27,286.40, 37,655.07 and 15,349.73 is: 21,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.40 : 37,655.07 = 15,349.73 : x
  2. Step 2: Convert to fraction form
    27,286.40/37,655.07 = 15,349.73/x
  3. Step 3: Cross multiply
    27,286.40x = 37,655.07 × 15,349.73
  4. Step 4: Simplify right side
    27,286.40x = 577,995,157.63
  5. Step 5: Solve for x
    x = 577,995,157.63/27,286.40
  6. Step 6: Final answer
    x = 21,182.54

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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.