Home / 26,708.18-36,847.59-20,577.90

Finding the Fourth Proportional to 26,708.18, 36,847.59 and 20,577.90

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Solution

The fourth proportional to 26,708.18, 36,847.59 and 20,577.90 is: 28,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,708.18 : 36,847.59 = 20,577.90 : x
  2. Step 2: Convert to fraction form
    26,708.18/36,847.59 = 20,577.90/x
  3. Step 3: Cross multiply
    26,708.18x = 36,847.59 × 20,577.90
  4. Step 4: Simplify right side
    26,708.18x = 758,246,022.26
  5. Step 5: Solve for x
    x = 758,246,022.26/26,708.18
  6. Step 6: Final answer
    x = 28,390.03

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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.