Home / 25,286.58-34,895.40-13,956

Finding the Fourth Proportional to 25,286.58, 34,895.40 and 13,956

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Solution

The fourth proportional to 25,286.58, 34,895.40 and 13,956 is: 19,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.58 : 34,895.40 = 13,956 : x
  2. Step 2: Convert to fraction form
    25,286.58/34,895.40 = 13,956/x
  3. Step 3: Cross multiply
    25,286.58x = 34,895.40 × 13,956
  4. Step 4: Simplify right side
    25,286.58x = 487,000,202.40
  5. Step 5: Solve for x
    x = 487,000,202.40/25,286.58
  6. Step 6: Final answer
    x = 19,259.24

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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.