Home / 27,880.94-38,474.66-15,133.85

Finding the Fourth Proportional to 27,880.94, 38,474.66 and 15,133.85

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Solution

The fourth proportional to 27,880.94, 38,474.66 and 15,133.85 is: 20,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.94 : 38,474.66 = 15,133.85 : x
  2. Step 2: Convert to fraction form
    27,880.94/38,474.66 = 15,133.85/x
  3. Step 3: Cross multiply
    27,880.94x = 38,474.66 × 15,133.85
  4. Step 4: Simplify right side
    27,880.94x = 582,269,867.26
  5. Step 5: Solve for x
    x = 582,269,867.26/27,880.94
  6. Step 6: Final answer
    x = 20,884.15

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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.