Home / 25,084.85-34,617.49-13,755.38

Finding the Fourth Proportional to 25,084.85, 34,617.49 and 13,755.38

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Solution

The fourth proportional to 25,084.85, 34,617.49 and 13,755.38 is: 18,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,084.85 : 34,617.49 = 13,755.38 : x
  2. Step 2: Convert to fraction form
    25,084.85/34,617.49 = 13,755.38/x
  3. Step 3: Cross multiply
    25,084.85x = 34,617.49 × 13,755.38
  4. Step 4: Simplify right side
    25,084.85x = 476,176,522.12
  5. Step 5: Solve for x
    x = 476,176,522.12/25,084.85
  6. Step 6: Final answer
    x = 18,982.64

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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.