Home / 25,404.96-38,107.32-6,429.64

Finding the Fourth Proportional to 25,404.96, 38,107.32 and 6,429.64

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Solution

The fourth proportional to 25,404.96, 38,107.32 and 6,429.64 is: 9,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404.96 : 38,107.32 = 6,429.64 : x
  2. Step 2: Convert to fraction form
    25,404.96/38,107.32 = 6,429.64/x
  3. Step 3: Cross multiply
    25,404.96x = 38,107.32 × 6,429.64
  4. Step 4: Simplify right side
    25,404.96x = 245,016,348.96
  5. Step 5: Solve for x
    x = 245,016,348.96/25,404.96
  6. Step 6: Final answer
    x = 9,644.43

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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.