Home / 28,605.10-39,468.60-17,276.44

Finding the Fourth Proportional to 28,605.10, 39,468.60 and 17,276.44

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Solution

The fourth proportional to 28,605.10, 39,468.60 and 17,276.44 is: 23,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.10 : 39,468.60 = 17,276.44 : x
  2. Step 2: Convert to fraction form
    28,605.10/39,468.60 = 17,276.44/x
  3. Step 3: Cross multiply
    28,605.10x = 39,468.60 × 17,276.44
  4. Step 4: Simplify right side
    28,605.10x = 681,876,899.78
  5. Step 5: Solve for x
    x = 681,876,899.78/28,605.10
  6. Step 6: Final answer
    x = 23,837.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.