Home / 25,619.40-38,429.10-25,230.60

Finding the Fourth Proportional to 25,619.40, 38,429.10 and 25,230.60

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Solution

The fourth proportional to 25,619.40, 38,429.10 and 25,230.60 is: 37,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.40 : 38,429.10 = 25,230.60 : x
  2. Step 2: Convert to fraction form
    25,619.40/38,429.10 = 25,230.60/x
  3. Step 3: Cross multiply
    25,619.40x = 38,429.10 × 25,230.60
  4. Step 4: Simplify right side
    25,619.40x = 969,589,250.46
  5. Step 5: Solve for x
    x = 969,589,250.46/25,619.40
  6. Step 6: Final answer
    x = 37,845.90

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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.