Home / 27,880.14-38,474.88-15,133.44

Finding the Fourth Proportional to 27,880.14, 38,474.88 and 15,133.44

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Solution

The fourth proportional to 27,880.14, 38,474.88 and 15,133.44 is: 20,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.14 : 38,474.88 = 15,133.44 : x
  2. Step 2: Convert to fraction form
    27,880.14/38,474.88 = 15,133.44/x
  3. Step 3: Cross multiply
    27,880.14x = 38,474.88 × 15,133.44
  4. Step 4: Simplify right side
    27,880.14x = 582,257,287.99
  5. Step 5: Solve for x
    x = 582,257,287.99/27,880.14
  6. Step 6: Final answer
    x = 20,884.30

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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.