Home / 28,935.13-43,391.68-10,211.67

Finding the Fourth Proportional to 28,935.13, 43,391.68 and 10,211.67

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Solution

The fourth proportional to 28,935.13, 43,391.68 and 10,211.67 is: 15,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.13 : 43,391.68 = 10,211.67 : x
  2. Step 2: Convert to fraction form
    28,935.13/43,391.68 = 10,211.67/x
  3. Step 3: Cross multiply
    28,935.13x = 43,391.68 × 10,211.67
  4. Step 4: Simplify right side
    28,935.13x = 443,101,516.91
  5. Step 5: Solve for x
    x = 443,101,516.91/28,935.13
  6. Step 6: Final answer
    x = 15,313.62

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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.