Home / 27,427.34-41,137.78-7,707.58

Finding the Fourth Proportional to 27,427.34, 41,137.78 and 7,707.58

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Solution

The fourth proportional to 27,427.34, 41,137.78 and 7,707.58 is: 11,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.34 : 41,137.78 = 7,707.58 : x
  2. Step 2: Convert to fraction form
    27,427.34/41,137.78 = 7,707.58/x
  3. Step 3: Cross multiply
    27,427.34x = 41,137.78 × 7,707.58
  4. Step 4: Simplify right side
    27,427.34x = 317,072,730.37
  5. Step 5: Solve for x
    x = 317,072,730.37/27,427.34
  6. Step 6: Final answer
    x = 11,560.46

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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.