Home / 27,823.31-38,396.18-15,247.79

Finding the Fourth Proportional to 27,823.31, 38,396.18 and 15,247.79

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Solution

The fourth proportional to 27,823.31, 38,396.18 and 15,247.79 is: 21,041.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.31 : 38,396.18 = 15,247.79 : x
  2. Step 2: Convert to fraction form
    27,823.31/38,396.18 = 15,247.79/x
  3. Step 3: Cross multiply
    27,823.31x = 38,396.18 × 15,247.79
  4. Step 4: Simplify right side
    27,823.31x = 585,456,889.44
  5. Step 5: Solve for x
    x = 585,456,889.44/27,823.31
  6. Step 6: Final answer
    x = 21,041.96

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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.