Home / 25,269.89-34,872.66-13,939.79

Finding the Fourth Proportional to 25,269.89, 34,872.66 and 13,939.79

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Solution

The fourth proportional to 25,269.89, 34,872.66 and 13,939.79 is: 19,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.89 : 34,872.66 = 13,939.79 : x
  2. Step 2: Convert to fraction form
    25,269.89/34,872.66 = 13,939.79/x
  3. Step 3: Cross multiply
    25,269.89x = 34,872.66 × 13,939.79
  4. Step 4: Simplify right side
    25,269.89x = 486,117,382.78
  5. Step 5: Solve for x
    x = 486,117,382.78/25,269.89
  6. Step 6: Final answer
    x = 19,237.02

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1.5x scale

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.