Home / 25,269.90-34,872.66-13,939.80

Finding the Fourth Proportional to 25,269.90, 34,872.66 and 13,939.80

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Solution

The fourth proportional to 25,269.90, 34,872.66 and 13,939.80 is: 19,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.90 : 34,872.66 = 13,939.80 : x
  2. Step 2: Convert to fraction form
    25,269.90/34,872.66 = 13,939.80/x
  3. Step 3: Cross multiply
    25,269.90x = 34,872.66 × 13,939.80
  4. Step 4: Simplify right side
    25,269.90x = 486,117,905.87
  5. Step 5: Solve for x
    x = 486,117,905.87/25,269.90
  6. Step 6: Final answer
    x = 19,237.03

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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.