Home / 27,287.41-37,661.15-17,221.34

Finding the Fourth Proportional to 27,287.41, 37,661.15 and 17,221.34

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Solution

The fourth proportional to 27,287.41, 37,661.15 and 17,221.34 is: 23,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.41 : 37,661.15 = 17,221.34 : x
  2. Step 2: Convert to fraction form
    27,287.41/37,661.15 = 17,221.34/x
  3. Step 3: Cross multiply
    27,287.41x = 37,661.15 × 17,221.34
  4. Step 4: Simplify right side
    27,287.41x = 648,575,468.94
  5. Step 5: Solve for x
    x = 648,575,468.94/27,287.41
  6. Step 6: Final answer
    x = 23,768.30

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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.