Home / 25,917.66-38,829.56-11,889.42

Finding the Fourth Proportional to 25,917.66, 38,829.56 and 11,889.42

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Solution

The fourth proportional to 25,917.66, 38,829.56 and 11,889.42 is: 17,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.66 : 38,829.56 = 11,889.42 : x
  2. Step 2: Convert to fraction form
    25,917.66/38,829.56 = 11,889.42/x
  3. Step 3: Cross multiply
    25,917.66x = 38,829.56 × 11,889.42
  4. Step 4: Simplify right side
    25,917.66x = 461,660,742.20
  5. Step 5: Solve for x
    x = 461,660,742.20/25,917.66
  6. Step 6: Final answer
    x = 17,812.59

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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.