Home / 27,115.86-40,669.70-7,395.98

Finding the Fourth Proportional to 27,115.86, 40,669.70 and 7,395.98

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Solution

The fourth proportional to 27,115.86, 40,669.70 and 7,395.98 is: 11,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.86 : 40,669.70 = 7,395.98 : x
  2. Step 2: Convert to fraction form
    27,115.86/40,669.70 = 7,395.98/x
  3. Step 3: Cross multiply
    27,115.86x = 40,669.70 × 7,395.98
  4. Step 4: Simplify right side
    27,115.86x = 300,792,047.48
  5. Step 5: Solve for x
    x = 300,792,047.48/27,115.86
  6. Step 6: Final answer
    x = 11,092.84

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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.