Home / 27,406.86-41,057.18-18,018.56

Finding the Fourth Proportional to 27,406.86, 41,057.18 and 18,018.56

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Solution

The fourth proportional to 27,406.86, 41,057.18 and 18,018.56 is: 26,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.86 : 41,057.18 = 18,018.56 : x
  2. Step 2: Convert to fraction form
    27,406.86/41,057.18 = 18,018.56/x
  3. Step 3: Cross multiply
    27,406.86x = 41,057.18 × 18,018.56
  4. Step 4: Simplify right side
    27,406.86x = 739,791,261.26
  5. Step 5: Solve for x
    x = 739,791,261.26/27,406.86
  6. Step 6: Final answer
    x = 26,992.92

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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.