Home / 27,643.20-41,475.60-10,114.40

Finding the Fourth Proportional to 27,643.20, 41,475.60 and 10,114.40

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Solution

The fourth proportional to 27,643.20, 41,475.60 and 10,114.40 is: 15,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.20 : 41,475.60 = 10,114.40 : x
  2. Step 2: Convert to fraction form
    27,643.20/41,475.60 = 10,114.40/x
  3. Step 3: Cross multiply
    27,643.20x = 41,475.60 × 10,114.40
  4. Step 4: Simplify right side
    27,643.20x = 419,500,808.64
  5. Step 5: Solve for x
    x = 419,500,808.64/27,643.20
  6. Step 6: Final answer
    x = 15,175.55

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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.