Home / 15,707.46-23,561.15-3,861.28

Finding the Fourth Proportional to 15,707.46, 23,561.15 and 3,861.28

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Solution

The fourth proportional to 15,707.46, 23,561.15 and 3,861.28 is: 5,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.46 : 23,561.15 = 3,861.28 : x
  2. Step 2: Convert to fraction form
    15,707.46/23,561.15 = 3,861.28/x
  3. Step 3: Cross multiply
    15,707.46x = 23,561.15 × 3,861.28
  4. Step 4: Simplify right side
    15,707.46x = 90,976,207.42
  5. Step 5: Solve for x
    x = 90,976,207.42/15,707.46
  6. Step 6: Final answer
    x = 5,791.91

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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.