Home / 25,355.88-38,033.82-19,800.90

Finding the Fourth Proportional to 25,355.88, 38,033.82 and 19,800.90

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Solution

The fourth proportional to 25,355.88, 38,033.82 and 19,800.90 is: 29,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.88 : 38,033.82 = 19,800.90 : x
  2. Step 2: Convert to fraction form
    25,355.88/38,033.82 = 19,800.90/x
  3. Step 3: Cross multiply
    25,355.88x = 38,033.82 × 19,800.90
  4. Step 4: Simplify right side
    25,355.88x = 753,103,866.44
  5. Step 5: Solve for x
    x = 753,103,866.44/25,355.88
  6. Step 6: Final answer
    x = 29,701.35

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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.