Home / 27,621.60-41,464.80-27,427.20

Finding the Fourth Proportional to 27,621.60, 41,464.80 and 27,427.20

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Solution

The fourth proportional to 27,621.60, 41,464.80 and 27,427.20 is: 41,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.60 : 41,464.80 = 27,427.20 : x
  2. Step 2: Convert to fraction form
    27,621.60/41,464.80 = 27,427.20/x
  3. Step 3: Cross multiply
    27,621.60x = 41,464.80 × 27,427.20
  4. Step 4: Simplify right side
    27,621.60x = 1,137,263,362.56
  5. Step 5: Solve for x
    x = 1,137,263,362.56/27,621.60
  6. Step 6: Final answer
    x = 41,172.97

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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.