Home / 27,977.50-41,966.25-8,255.78

Finding the Fourth Proportional to 27,977.50, 41,966.25 and 8,255.78

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Solution

The fourth proportional to 27,977.50, 41,966.25 and 8,255.78 is: 12,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977.50 : 41,966.25 = 8,255.78 : x
  2. Step 2: Convert to fraction form
    27,977.50/41,966.25 = 8,255.78/x
  3. Step 3: Cross multiply
    27,977.50x = 41,966.25 × 8,255.78
  4. Step 4: Simplify right side
    27,977.50x = 346,464,127.43
  5. Step 5: Solve for x
    x = 346,464,127.43/27,977.50
  6. Step 6: Final answer
    x = 12,383.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.