Home / 27,491.52-37,935.09-15,392.69

Finding the Fourth Proportional to 27,491.52, 37,935.09 and 15,392.69

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Solution

The fourth proportional to 27,491.52, 37,935.09 and 15,392.69 is: 21,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,491.52 : 37,935.09 = 15,392.69 : x
  2. Step 2: Convert to fraction form
    27,491.52/37,935.09 = 15,392.69/x
  3. Step 3: Cross multiply
    27,491.52x = 37,935.09 × 15,392.69
  4. Step 4: Simplify right side
    27,491.52x = 583,922,890.82
  5. Step 5: Solve for x
    x = 583,922,890.82/27,491.52
  6. Step 6: Final answer
    x = 21,240.11

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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.