Home / 27,789.84-41,672.16-10,247.28

Finding the Fourth Proportional to 27,789.84, 41,672.16 and 10,247.28

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Solution

The fourth proportional to 27,789.84, 41,672.16 and 10,247.28 is: 15,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.84 : 41,672.16 = 10,247.28 : x
  2. Step 2: Convert to fraction form
    27,789.84/41,672.16 = 10,247.28/x
  3. Step 3: Cross multiply
    27,789.84x = 41,672.16 × 10,247.28
  4. Step 4: Simplify right side
    27,789.84x = 427,026,291.72
  5. Step 5: Solve for x
    x = 427,026,291.72/27,789.84
  6. Step 6: Final answer
    x = 15,366.27

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1.5x scale

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.