Home / 25,676.86-38,489.78-17,869.27

Finding the Fourth Proportional to 25,676.86, 38,489.78 and 17,869.27

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Solution

The fourth proportional to 25,676.86, 38,489.78 and 17,869.27 is: 26,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.86 : 38,489.78 = 17,869.27 : x
  2. Step 2: Convert to fraction form
    25,676.86/38,489.78 = 17,869.27/x
  3. Step 3: Cross multiply
    25,676.86x = 38,489.78 × 17,869.27
  4. Step 4: Simplify right side
    25,676.86x = 687,784,181.71
  5. Step 5: Solve for x
    x = 687,784,181.71/25,676.86
  6. Step 6: Final answer
    x = 26,786.15

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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.