Home / 27,772.28-41,622.66-10,221.32

Finding the Fourth Proportional to 27,772.28, 41,622.66 and 10,221.32

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Solution

The fourth proportional to 27,772.28, 41,622.66 and 10,221.32 is: 15,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772.28 : 41,622.66 = 10,221.32 : x
  2. Step 2: Convert to fraction form
    27,772.28/41,622.66 = 10,221.32/x
  3. Step 3: Cross multiply
    27,772.28x = 41,622.66 × 10,221.32
  4. Step 4: Simplify right side
    27,772.28x = 425,438,527.11
  5. Step 5: Solve for x
    x = 425,438,527.11/27,772.28
  6. Step 6: Final answer
    x = 15,318.82

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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.