Home / 27,257.87-37,616.93-15,321.17

Finding the Fourth Proportional to 27,257.87, 37,616.93 and 15,321.17

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Solution

The fourth proportional to 27,257.87, 37,616.93 and 15,321.17 is: 21,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.87 : 37,616.93 = 15,321.17 : x
  2. Step 2: Convert to fraction form
    27,257.87/37,616.93 = 15,321.17/x
  3. Step 3: Cross multiply
    27,257.87x = 37,616.93 × 15,321.17
  4. Step 4: Simplify right side
    27,257.87x = 576,335,114.72
  5. Step 5: Solve for x
    x = 576,335,114.72/27,257.87
  6. Step 6: Final answer
    x = 21,143.81

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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.