Home / 25,559.08-38,338.82-8,919.04

Finding the Fourth Proportional to 25,559.08, 38,338.82 and 8,919.04

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Solution

The fourth proportional to 25,559.08, 38,338.82 and 8,919.04 is: 13,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.08 : 38,338.82 = 8,919.04 : x
  2. Step 2: Convert to fraction form
    25,559.08/38,338.82 = 8,919.04/x
  3. Step 3: Cross multiply
    25,559.08x = 38,338.82 × 8,919.04
  4. Step 4: Simplify right side
    25,559.08x = 341,945,469.13
  5. Step 5: Solve for x
    x = 341,945,469.13/25,559.08
  6. Step 6: Final answer
    x = 13,378.63

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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.