Home / 27,370.76-37,768.83-20,204.49

Finding the Fourth Proportional to 27,370.76, 37,768.83 and 20,204.49

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Solution

The fourth proportional to 27,370.76, 37,768.83 and 20,204.49 is: 27,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,370.76 : 37,768.83 = 20,204.49 : x
  2. Step 2: Convert to fraction form
    27,370.76/37,768.83 = 20,204.49/x
  3. Step 3: Cross multiply
    27,370.76x = 37,768.83 × 20,204.49
  4. Step 4: Simplify right side
    27,370.76x = 763,099,915.11
  5. Step 5: Solve for x
    x = 763,099,915.11/27,370.76
  6. Step 6: Final answer
    x = 27,880.11

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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.