Home / 25,949.70-38,930.01-8,418.16

Finding the Fourth Proportional to 25,949.70, 38,930.01 and 8,418.16

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Solution

The fourth proportional to 25,949.70, 38,930.01 and 8,418.16 is: 12,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.70 : 38,930.01 = 8,418.16 : x
  2. Step 2: Convert to fraction form
    25,949.70/38,930.01 = 8,418.16/x
  3. Step 3: Cross multiply
    25,949.70x = 38,930.01 × 8,418.16
  4. Step 4: Simplify right side
    25,949.70x = 327,719,052.98
  5. Step 5: Solve for x
    x = 327,719,052.98/25,949.70
  6. Step 6: Final answer
    x = 12,629.01

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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.