Home / 25,286.94-34,885.17-18,560.97

Finding the Fourth Proportional to 25,286.94, 34,885.17 and 18,560.97

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Solution

The fourth proportional to 25,286.94, 34,885.17 and 18,560.97 is: 25,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.94 : 34,885.17 = 18,560.97 : x
  2. Step 2: Convert to fraction form
    25,286.94/34,885.17 = 18,560.97/x
  3. Step 3: Cross multiply
    25,286.94x = 34,885.17 × 18,560.97
  4. Step 4: Simplify right side
    25,286.94x = 647,502,593.81
  5. Step 5: Solve for x
    x = 647,502,593.81/25,286.94
  6. Step 6: Final answer
    x = 25,606.21

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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.