Home / 27,896.36-38,497.01-15,149.55

Finding the Fourth Proportional to 27,896.36, 38,497.01 and 15,149.55

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Solution

The fourth proportional to 27,896.36, 38,497.01 and 15,149.55 is: 20,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.36 : 38,497.01 = 15,149.55 : x
  2. Step 2: Convert to fraction form
    27,896.36/38,497.01 = 15,149.55/x
  3. Step 3: Cross multiply
    27,896.36x = 38,497.01 × 15,149.55
  4. Step 4: Simplify right side
    27,896.36x = 583,212,377.85
  5. Step 5: Solve for x
    x = 583,212,377.85/27,896.36
  6. Step 6: Final answer
    x = 20,906.40

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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.