Home / 27,288.58-40,935.30-11,702.56

Finding the Fourth Proportional to 27,288.58, 40,935.30 and 11,702.56

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Solution

The fourth proportional to 27,288.58, 40,935.30 and 11,702.56 is: 17,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.58 : 40,935.30 = 11,702.56 : x
  2. Step 2: Convert to fraction form
    27,288.58/40,935.30 = 11,702.56/x
  3. Step 3: Cross multiply
    27,288.58x = 40,935.30 × 11,702.56
  4. Step 4: Simplify right side
    27,288.58x = 479,047,804.37
  5. Step 5: Solve for x
    x = 479,047,804.37/27,288.58
  6. Step 6: Final answer
    x = 17,554.88

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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.