Home / 28,781.66-43,181.10-17,396.30

Finding the Fourth Proportional to 28,781.66, 43,181.10 and 17,396.30

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Solution

The fourth proportional to 28,781.66, 43,181.10 and 17,396.30 is: 26,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.66 : 43,181.10 = 17,396.30 : x
  2. Step 2: Convert to fraction form
    28,781.66/43,181.10 = 17,396.30/x
  3. Step 3: Cross multiply
    28,781.66x = 43,181.10 × 17,396.30
  4. Step 4: Simplify right side
    28,781.66x = 751,191,477.88
  5. Step 5: Solve for x
    x = 751,191,477.88/28,781.66
  6. Step 6: Final answer
    x = 26,099.66

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1.5x scale

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.