Home / 27,930.83-38,583.71-25,408.49

Finding the Fourth Proportional to 27,930.83, 38,583.71 and 25,408.49

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Solution

The fourth proportional to 27,930.83, 38,583.71 and 25,408.49 is: 35,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.83 : 38,583.71 = 25,408.49 : x
  2. Step 2: Convert to fraction form
    27,930.83/38,583.71 = 25,408.49/x
  3. Step 3: Cross multiply
    27,930.83x = 38,583.71 × 25,408.49
  4. Step 4: Simplify right side
    27,930.83x = 980,353,809.70
  5. Step 5: Solve for x
    x = 980,353,809.70/27,930.83
  6. Step 6: Final answer
    x = 35,099.34

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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.