Home / 25,306.31-34,922.99-13,975.78

Finding the Fourth Proportional to 25,306.31, 34,922.99 and 13,975.78

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Solution

The fourth proportional to 25,306.31, 34,922.99 and 13,975.78 is: 19,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.31 : 34,922.99 = 13,975.78 : x
  2. Step 2: Convert to fraction form
    25,306.31/34,922.99 = 13,975.78/x
  3. Step 3: Cross multiply
    25,306.31x = 34,922.99 × 13,975.78
  4. Step 4: Simplify right side
    25,306.31x = 488,076,025.18
  5. Step 5: Solve for x
    x = 488,076,025.18/25,306.31
  6. Step 6: Final answer
    x = 19,286.73

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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.