Home / 27,427.92-41,145.30-8,702.88

Finding the Fourth Proportional to 27,427.92, 41,145.30 and 8,702.88

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Solution

The fourth proportional to 27,427.92, 41,145.30 and 8,702.88 is: 13,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.92 : 41,145.30 = 8,702.88 : x
  2. Step 2: Convert to fraction form
    27,427.92/41,145.30 = 8,702.88/x
  3. Step 3: Cross multiply
    27,427.92x = 41,145.30 × 8,702.88
  4. Step 4: Simplify right side
    27,427.92x = 358,082,608.46
  5. Step 5: Solve for x
    x = 358,082,608.46/27,427.92
  6. Step 6: Final answer
    x = 13,055.41

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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.