Home / 25,286.40-37,929.60-22,005.90

Finding the Fourth Proportional to 25,286.40, 37,929.60 and 22,005.90

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Solution

The fourth proportional to 25,286.40, 37,929.60 and 22,005.90 is: 33,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.40 : 37,929.60 = 22,005.90 : x
  2. Step 2: Convert to fraction form
    25,286.40/37,929.60 = 22,005.90/x
  3. Step 3: Cross multiply
    25,286.40x = 37,929.60 × 22,005.90
  4. Step 4: Simplify right side
    25,286.40x = 834,674,984.64
  5. Step 5: Solve for x
    x = 834,674,984.64/25,286.40
  6. Step 6: Final answer
    x = 33,008.85

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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.