Home / 27,272.80-40,899.60-9,743.20

Finding the Fourth Proportional to 27,272.80, 40,899.60 and 9,743.20

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Solution

The fourth proportional to 27,272.80, 40,899.60 and 9,743.20 is: 14,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.80 : 40,899.60 = 9,743.20 : x
  2. Step 2: Convert to fraction form
    27,272.80/40,899.60 = 9,743.20/x
  3. Step 3: Cross multiply
    27,272.80x = 40,899.60 × 9,743.20
  4. Step 4: Simplify right side
    27,272.80x = 398,492,982.72
  5. Step 5: Solve for x
    x = 398,492,982.72/27,272.80
  6. Step 6: Final answer
    x = 14,611.37

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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.