Home / 25,971.73-38,926.82-11,919.92

Finding the Fourth Proportional to 25,971.73, 38,926.82 and 11,919.92

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Solution

The fourth proportional to 25,971.73, 38,926.82 and 11,919.92 is: 17,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.73 : 38,926.82 = 11,919.92 : x
  2. Step 2: Convert to fraction form
    25,971.73/38,926.82 = 11,919.92/x
  3. Step 3: Cross multiply
    25,971.73x = 38,926.82 × 11,919.92
  4. Step 4: Simplify right side
    25,971.73x = 464,004,415.42
  5. Step 5: Solve for x
    x = 464,004,415.42/25,971.73
  6. Step 6: Final answer
    x = 17,865.75

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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.