Home / 25,531.82-38,297.99-7,765.36

Finding the Fourth Proportional to 25,531.82, 38,297.99 and 7,765.36

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Solution

The fourth proportional to 25,531.82, 38,297.99 and 7,765.36 is: 11,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.82 : 38,297.99 = 7,765.36 : x
  2. Step 2: Convert to fraction form
    25,531.82/38,297.99 = 7,765.36/x
  3. Step 3: Cross multiply
    25,531.82x = 38,297.99 × 7,765.36
  4. Step 4: Simplify right side
    25,531.82x = 297,397,545.05
  5. Step 5: Solve for x
    x = 297,397,545.05/25,531.82
  6. Step 6: Final answer
    x = 11,648.12

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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.