Home / 25,400.55-38,103.32-8,758.38

Finding the Fourth Proportional to 25,400.55, 38,103.32 and 8,758.38

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Solution

The fourth proportional to 25,400.55, 38,103.32 and 8,758.38 is: 13,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.55 : 38,103.32 = 8,758.38 : x
  2. Step 2: Convert to fraction form
    25,400.55/38,103.32 = 8,758.38/x
  3. Step 3: Cross multiply
    25,400.55x = 38,103.32 × 8,758.38
  4. Step 4: Simplify right side
    25,400.55x = 333,723,355.82
  5. Step 5: Solve for x
    x = 333,723,355.82/25,400.55
  6. Step 6: Final answer
    x = 13,138.43

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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.