Home / 26,120.46-36,050.67-15,515.82

Finding the Fourth Proportional to 26,120.46, 36,050.67 and 15,515.82

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Solution

The fourth proportional to 26,120.46, 36,050.67 and 15,515.82 is: 21,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.46 : 36,050.67 = 15,515.82 : x
  2. Step 2: Convert to fraction form
    26,120.46/36,050.67 = 15,515.82/x
  3. Step 3: Cross multiply
    26,120.46x = 36,050.67 × 15,515.82
  4. Step 4: Simplify right side
    26,120.46x = 559,355,706.60
  5. Step 5: Solve for x
    x = 559,355,706.60/26,120.46
  6. Step 6: Final answer
    x = 21,414.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.