Home / 25,177.72-34,743.90-13,999

Finding the Fourth Proportional to 25,177.72, 34,743.90 and 13,999

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Solution

The fourth proportional to 25,177.72, 34,743.90 and 13,999 is: 19,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.72 : 34,743.90 = 13,999 : x
  2. Step 2: Convert to fraction form
    25,177.72/34,743.90 = 13,999/x
  3. Step 3: Cross multiply
    25,177.72x = 34,743.90 × 13,999
  4. Step 4: Simplify right side
    25,177.72x = 486,379,856.10
  5. Step 5: Solve for x
    x = 486,379,856.10/25,177.72
  6. Step 6: Final answer
    x = 19,317.87

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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.