Home / 27,148.20-40,711.37-11,342.88

Finding the Fourth Proportional to 27,148.20, 40,711.37 and 11,342.88

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Solution

The fourth proportional to 27,148.20, 40,711.37 and 11,342.88 is: 17,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.20 : 40,711.37 = 11,342.88 : x
  2. Step 2: Convert to fraction form
    27,148.20/40,711.37 = 11,342.88/x
  3. Step 3: Cross multiply
    27,148.20x = 40,711.37 × 11,342.88
  4. Step 4: Simplify right side
    27,148.20x = 461,784,127.83
  5. Step 5: Solve for x
    x = 461,784,127.83/27,148.20
  6. Step 6: Final answer
    x = 17,009.75

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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.