Home / 27,964.44-38,589.90-15,388.92

Finding the Fourth Proportional to 27,964.44, 38,589.90 and 15,388.92

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Solution

The fourth proportional to 27,964.44, 38,589.90 and 15,388.92 is: 21,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.44 : 38,589.90 = 15,388.92 : x
  2. Step 2: Convert to fraction form
    27,964.44/38,589.90 = 15,388.92/x
  3. Step 3: Cross multiply
    27,964.44x = 38,589.90 × 15,388.92
  4. Step 4: Simplify right side
    27,964.44x = 593,856,883.91
  5. Step 5: Solve for x
    x = 593,856,883.91/27,964.44
  6. Step 6: Final answer
    x = 21,236.14

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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.