Home / 27,820.48-41,736.90-8,100.58

Finding the Fourth Proportional to 27,820.48, 41,736.90 and 8,100.58

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Solution

The fourth proportional to 27,820.48, 41,736.90 and 8,100.58 is: 12,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.48 : 41,736.90 = 8,100.58 : x
  2. Step 2: Convert to fraction form
    27,820.48/41,736.90 = 8,100.58/x
  3. Step 3: Cross multiply
    27,820.48x = 41,736.90 × 8,100.58
  4. Step 4: Simplify right side
    27,820.48x = 338,093,097.40
  5. Step 5: Solve for x
    x = 338,093,097.40/27,820.48
  6. Step 6: Final answer
    x = 12,152.67

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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.