Home / 25,606.20-38,495.70-21,804.60

Finding the Fourth Proportional to 25,606.20, 38,495.70 and 21,804.60

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Solution

The fourth proportional to 25,606.20, 38,495.70 and 21,804.60 is: 32,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,606.20 : 38,495.70 = 21,804.60 : x
  2. Step 2: Convert to fraction form
    25,606.20/38,495.70 = 21,804.60/x
  3. Step 3: Cross multiply
    25,606.20x = 38,495.70 × 21,804.60
  4. Step 4: Simplify right side
    25,606.20x = 839,383,340.22
  5. Step 5: Solve for x
    x = 839,383,340.22/25,606.20
  6. Step 6: Final answer
    x = 32,780.47

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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.