Home / 25,269.65-34,872.27-13,939.45

Finding the Fourth Proportional to 25,269.65, 34,872.27 and 13,939.45

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Solution

The fourth proportional to 25,269.65, 34,872.27 and 13,939.45 is: 19,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.65 : 34,872.27 = 13,939.45 : x
  2. Step 2: Convert to fraction form
    25,269.65/34,872.27 = 13,939.45/x
  3. Step 3: Cross multiply
    25,269.65x = 34,872.27 × 13,939.45
  4. Step 4: Simplify right side
    25,269.65x = 486,100,264.05
  5. Step 5: Solve for x
    x = 486,100,264.05/25,269.65
  6. Step 6: Final answer
    x = 19,236.53

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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.