Home / 25,774.88-38,665.38-9,131.54

Finding the Fourth Proportional to 25,774.88, 38,665.38 and 9,131.54

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Solution

The fourth proportional to 25,774.88, 38,665.38 and 9,131.54 is: 13,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,774.88 : 38,665.38 = 9,131.54 : x
  2. Step 2: Convert to fraction form
    25,774.88/38,665.38 = 9,131.54/x
  3. Step 3: Cross multiply
    25,774.88x = 38,665.38 × 9,131.54
  4. Step 4: Simplify right side
    25,774.88x = 353,074,464.09
  5. Step 5: Solve for x
    x = 353,074,464.09/25,774.88
  6. Step 6: Final answer
    x = 13,698.39

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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.