Home / 27,562.07-37,989.41-21,099.49

Finding the Fourth Proportional to 27,562.07, 37,989.41 and 21,099.49

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Solution

The fourth proportional to 27,562.07, 37,989.41 and 21,099.49 is: 29,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,562.07 : 37,989.41 = 21,099.49 : x
  2. Step 2: Convert to fraction form
    27,562.07/37,989.41 = 21,099.49/x
  3. Step 3: Cross multiply
    27,562.07x = 37,989.41 × 21,099.49
  4. Step 4: Simplify right side
    27,562.07x = 801,556,975.93
  5. Step 5: Solve for x
    x = 801,556,975.93/27,562.07
  6. Step 6: Final answer
    x = 29,081.88

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1.5x scale

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.