Home / 28,781.96-43,181.55-17,396.57

Finding the Fourth Proportional to 28,781.96, 43,181.55 and 17,396.57

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Solution

The fourth proportional to 28,781.96, 43,181.55 and 17,396.57 is: 26,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.96 : 43,181.55 = 17,396.57 : x
  2. Step 2: Convert to fraction form
    28,781.96/43,181.55 = 17,396.57/x
  3. Step 3: Cross multiply
    28,781.96x = 43,181.55 × 17,396.57
  4. Step 4: Simplify right side
    28,781.96x = 751,210,965.24
  5. Step 5: Solve for x
    x = 751,210,965.24/28,781.96
  6. Step 6: Final answer
    x = 26,100.07

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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.