Home / 38,606.14-57,898.78-13,642.88

Finding the Fourth Proportional to 38,606.14, 57,898.78 and 13,642.88

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Solution

The fourth proportional to 38,606.14, 57,898.78 and 13,642.88 is: 20,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,606.14 : 57,898.78 = 13,642.88 : x
  2. Step 2: Convert to fraction form
    38,606.14/57,898.78 = 13,642.88/x
  3. Step 3: Cross multiply
    38,606.14x = 57,898.78 × 13,642.88
  4. Step 4: Simplify right side
    38,606.14x = 789,906,107.69
  5. Step 5: Solve for x
    x = 789,906,107.69/38,606.14
  6. Step 6: Final answer
    x = 20,460.63

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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.