Home / 19,625.42-27,069.35-12,908.90

Finding the Fourth Proportional to 19,625.42, 27,069.35 and 12,908.90

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Solution

The fourth proportional to 19,625.42, 27,069.35 and 12,908.90 is: 17,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.42 : 27,069.35 = 12,908.90 : x
  2. Step 2: Convert to fraction form
    19,625.42/27,069.35 = 12,908.90/x
  3. Step 3: Cross multiply
    19,625.42x = 27,069.35 × 12,908.90
  4. Step 4: Simplify right side
    19,625.42x = 349,435,380.73
  5. Step 5: Solve for x
    x = 349,435,380.73/19,625.42
  6. Step 6: Final answer
    x = 17,805.25

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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.