Home / 27,001.58-40,516.04-18,218.04

Finding the Fourth Proportional to 27,001.58, 40,516.04 and 18,218.04

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Solution

The fourth proportional to 27,001.58, 40,516.04 and 18,218.04 is: 27,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,001.58 : 40,516.04 = 18,218.04 : x
  2. Step 2: Convert to fraction form
    27,001.58/40,516.04 = 18,218.04/x
  3. Step 3: Cross multiply
    27,001.58x = 40,516.04 × 18,218.04
  4. Step 4: Simplify right side
    27,001.58x = 738,122,837.36
  5. Step 5: Solve for x
    x = 738,122,837.36/27,001.58
  6. Step 6: Final answer
    x = 27,336.28

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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.