Home / 25,004.61-34,505.87-13,673.79

Finding the Fourth Proportional to 25,004.61, 34,505.87 and 13,673.79

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Solution

The fourth proportional to 25,004.61, 34,505.87 and 13,673.79 is: 18,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,004.61 : 34,505.87 = 13,673.79 : x
  2. Step 2: Convert to fraction form
    25,004.61/34,505.87 = 13,673.79/x
  3. Step 3: Cross multiply
    25,004.61x = 34,505.87 × 13,673.79
  4. Step 4: Simplify right side
    25,004.61x = 471,825,951.78
  5. Step 5: Solve for x
    x = 471,825,951.78/25,004.61
  6. Step 6: Final answer
    x = 18,869.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.