Home / 25,269.86-34,872.68-13,939.86

Finding the Fourth Proportional to 25,269.86, 34,872.68 and 13,939.86

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Solution

The fourth proportional to 25,269.86, 34,872.68 and 13,939.86 is: 19,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.86 : 34,872.68 = 13,939.86 : x
  2. Step 2: Convert to fraction form
    25,269.86/34,872.68 = 13,939.86/x
  3. Step 3: Cross multiply
    25,269.86x = 34,872.68 × 13,939.86
  4. Step 4: Simplify right side
    25,269.86x = 486,120,277.02
  5. Step 5: Solve for x
    x = 486,120,277.02/25,269.86
  6. Step 6: Final answer
    x = 19,237.16

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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.