Home / 27,826.92-38,452.07-20,260.11

Finding the Fourth Proportional to 27,826.92, 38,452.07 and 20,260.11

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Solution

The fourth proportional to 27,826.92, 38,452.07 and 20,260.11 is: 27,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.92 : 38,452.07 = 20,260.11 : x
  2. Step 2: Convert to fraction form
    27,826.92/38,452.07 = 20,260.11/x
  3. Step 3: Cross multiply
    27,826.92x = 38,452.07 × 20,260.11
  4. Step 4: Simplify right side
    27,826.92x = 779,043,066.63
  5. Step 5: Solve for x
    x = 779,043,066.63/27,826.92
  6. Step 6: Final answer
    x = 27,996.02

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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.