Home / 27,867.92-38,458.20-15,293.84

Finding the Fourth Proportional to 27,867.92, 38,458.20 and 15,293.84

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Solution

The fourth proportional to 27,867.92, 38,458.20 and 15,293.84 is: 21,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.92 : 38,458.20 = 15,293.84 : x
  2. Step 2: Convert to fraction form
    27,867.92/38,458.20 = 15,293.84/x
  3. Step 3: Cross multiply
    27,867.92x = 38,458.20 × 15,293.84
  4. Step 4: Simplify right side
    27,867.92x = 588,173,557.49
  5. Step 5: Solve for x
    x = 588,173,557.49/27,867.92
  6. Step 6: Final answer
    x = 21,105.76

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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.