Home / 27,408.55-37,821.07-15,469.59

Finding the Fourth Proportional to 27,408.55, 37,821.07 and 15,469.59

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Solution

The fourth proportional to 27,408.55, 37,821.07 and 15,469.59 is: 21,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.55 : 37,821.07 = 15,469.59 : x
  2. Step 2: Convert to fraction form
    27,408.55/37,821.07 = 15,469.59/x
  3. Step 3: Cross multiply
    27,408.55x = 37,821.07 × 15,469.59
  4. Step 4: Simplify right side
    27,408.55x = 585,076,323.77
  5. Step 5: Solve for x
    x = 585,076,323.77/27,408.55
  6. Step 6: Final answer
    x = 21,346.49

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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.