Home / 25,942.28-38,924.94-12,609.32

Finding the Fourth Proportional to 25,942.28, 38,924.94 and 12,609.32

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Solution

The fourth proportional to 25,942.28, 38,924.94 and 12,609.32 is: 18,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.28 : 38,924.94 = 12,609.32 : x
  2. Step 2: Convert to fraction form
    25,942.28/38,924.94 = 12,609.32/x
  3. Step 3: Cross multiply
    25,942.28x = 38,924.94 × 12,609.32
  4. Step 4: Simplify right side
    25,942.28x = 490,817,024.44
  5. Step 5: Solve for x
    x = 490,817,024.44/25,942.28
  6. Step 6: Final answer
    x = 18,919.58

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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.