Home / 25,811.80-38,631.30-22,701.40

Finding the Fourth Proportional to 25,811.80, 38,631.30 and 22,701.40

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Solution

The fourth proportional to 25,811.80, 38,631.30 and 22,701.40 is: 33,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.80 : 38,631.30 = 22,701.40 : x
  2. Step 2: Convert to fraction form
    25,811.80/38,631.30 = 22,701.40/x
  3. Step 3: Cross multiply
    25,811.80x = 38,631.30 × 22,701.40
  4. Step 4: Simplify right side
    25,811.80x = 876,984,593.82
  5. Step 5: Solve for x
    x = 876,984,593.82/25,811.80
  6. Step 6: Final answer
    x = 33,976.11

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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.