Home / 27,078.46-37,369.14-15,141.77

Finding the Fourth Proportional to 27,078.46, 37,369.14 and 15,141.77

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Solution

The fourth proportional to 27,078.46, 37,369.14 and 15,141.77 is: 20,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.46 : 37,369.14 = 15,141.77 : x
  2. Step 2: Convert to fraction form
    27,078.46/37,369.14 = 15,141.77/x
  3. Step 3: Cross multiply
    27,078.46x = 37,369.14 × 15,141.77
  4. Step 4: Simplify right side
    27,078.46x = 565,834,922.98
  5. Step 5: Solve for x
    x = 565,834,922.98/27,078.46
  6. Step 6: Final answer
    x = 20,896.13

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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.