Home / 26,199.90-39,293.82-7,479.54

Finding the Fourth Proportional to 26,199.90, 39,293.82 and 7,479.54

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Solution

The fourth proportional to 26,199.90, 39,293.82 and 7,479.54 is: 11,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,199.90 : 39,293.82 = 7,479.54 : x
  2. Step 2: Convert to fraction form
    26,199.90/39,293.82 = 7,479.54/x
  3. Step 3: Cross multiply
    26,199.90x = 39,293.82 × 7,479.54
  4. Step 4: Simplify right side
    26,199.90x = 293,899,698.44
  5. Step 5: Solve for x
    x = 293,899,698.44/26,199.90
  6. Step 6: Final answer
    x = 11,217.59

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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.