Home / 27,139.55-40,771.89-26,018.55

Finding the Fourth Proportional to 27,139.55, 40,771.89 and 26,018.55

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Solution

The fourth proportional to 27,139.55, 40,771.89 and 26,018.55 is: 39,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.55 : 40,771.89 = 26,018.55 : x
  2. Step 2: Convert to fraction form
    27,139.55/40,771.89 = 26,018.55/x
  3. Step 3: Cross multiply
    27,139.55x = 40,771.89 × 26,018.55
  4. Step 4: Simplify right side
    27,139.55x = 1,060,825,458.56
  5. Step 5: Solve for x
    x = 1,060,825,458.56/27,139.55
  6. Step 6: Final answer
    x = 39,087.81

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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.