Home / 25,719.44-38,585.10-7,949.42

Finding the Fourth Proportional to 25,719.44, 38,585.10 and 7,949.42

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Solution

The fourth proportional to 25,719.44, 38,585.10 and 7,949.42 is: 11,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.44 : 38,585.10 = 7,949.42 : x
  2. Step 2: Convert to fraction form
    25,719.44/38,585.10 = 7,949.42/x
  3. Step 3: Cross multiply
    25,719.44x = 38,585.10 × 7,949.42
  4. Step 4: Simplify right side
    25,719.44x = 306,729,165.64
  5. Step 5: Solve for x
    x = 306,729,165.64/25,719.44
  6. Step 6: Final answer
    x = 11,925.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.