Home / 27,150.29-40,723.91-7,427.39

Finding the Fourth Proportional to 27,150.29, 40,723.91 and 7,427.39

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Solution

The fourth proportional to 27,150.29, 40,723.91 and 7,427.39 is: 11,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.29 : 40,723.91 = 7,427.39 : x
  2. Step 2: Convert to fraction form
    27,150.29/40,723.91 = 7,427.39/x
  3. Step 3: Cross multiply
    27,150.29x = 40,723.91 × 7,427.39
  4. Step 4: Simplify right side
    27,150.29x = 302,472,324.76
  5. Step 5: Solve for x
    x = 302,472,324.76/27,150.29
  6. Step 6: Final answer
    x = 11,140.67

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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.