Home / 25,611.82-38,426.74-13,137.73

Finding the Fourth Proportional to 25,611.82, 38,426.74 and 13,137.73

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Solution

The fourth proportional to 25,611.82, 38,426.74 and 13,137.73 is: 19,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.82 : 38,426.74 = 13,137.73 : x
  2. Step 2: Convert to fraction form
    25,611.82/38,426.74 = 13,137.73/x
  3. Step 3: Cross multiply
    25,611.82x = 38,426.74 × 13,137.73
  4. Step 4: Simplify right side
    25,611.82x = 504,840,005.99
  5. Step 5: Solve for x
    x = 504,840,005.99/25,611.82
  6. Step 6: Final answer
    x = 19,711.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.