Home / 26,917.84-40,397.68-18,655.68

Finding the Fourth Proportional to 26,917.84, 40,397.68 and 18,655.68

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Solution

The fourth proportional to 26,917.84, 40,397.68 and 18,655.68 is: 27,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.84 : 40,397.68 = 18,655.68 : x
  2. Step 2: Convert to fraction form
    26,917.84/40,397.68 = 18,655.68/x
  3. Step 3: Cross multiply
    26,917.84x = 40,397.68 × 18,655.68
  4. Step 4: Simplify right side
    26,917.84x = 753,646,190.82
  5. Step 5: Solve for x
    x = 753,646,190.82/26,917.84
  6. Step 6: Final answer
    x = 27,998.02

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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.