Home / 27,640.70-41,428.24-15,929.72

Finding the Fourth Proportional to 27,640.70, 41,428.24 and 15,929.72

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Solution

The fourth proportional to 27,640.70, 41,428.24 and 15,929.72 is: 23,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.70 : 41,428.24 = 15,929.72 : x
  2. Step 2: Convert to fraction form
    27,640.70/41,428.24 = 15,929.72/x
  3. Step 3: Cross multiply
    27,640.70x = 41,428.24 × 15,929.72
  4. Step 4: Simplify right side
    27,640.70x = 659,940,263.29
  5. Step 5: Solve for x
    x = 659,940,263.29/27,640.70
  6. Step 6: Final answer
    x = 23,875.67

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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.