Home / 25,308.91-37,961.88-7,778.62

Finding the Fourth Proportional to 25,308.91, 37,961.88 and 7,778.62

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Solution

The fourth proportional to 25,308.91, 37,961.88 and 7,778.62 is: 11,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,308.91 : 37,961.88 = 7,778.62 : x
  2. Step 2: Convert to fraction form
    25,308.91/37,961.88 = 7,778.62/x
  3. Step 3: Cross multiply
    25,308.91x = 37,961.88 × 7,778.62
  4. Step 4: Simplify right side
    25,308.91x = 295,291,039.01
  5. Step 5: Solve for x
    x = 295,291,039.01/25,308.91
  6. Step 6: Final answer
    x = 11,667.47

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Similar ratio
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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.