Home / 27,129.62-40,706.10-14,647.16

Finding the Fourth Proportional to 27,129.62, 40,706.10 and 14,647.16

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Solution

The fourth proportional to 27,129.62, 40,706.10 and 14,647.16 is: 21,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.62 : 40,706.10 = 14,647.16 : x
  2. Step 2: Convert to fraction form
    27,129.62/40,706.10 = 14,647.16/x
  3. Step 3: Cross multiply
    27,129.62x = 40,706.10 × 14,647.16
  4. Step 4: Simplify right side
    27,129.62x = 596,228,861.44
  5. Step 5: Solve for x
    x = 596,228,861.44/27,129.62
  6. Step 6: Final answer
    x = 21,977.04

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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.