Home / 27,695.70-38,153.36-22,028.74

Finding the Fourth Proportional to 27,695.70, 38,153.36 and 22,028.74

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Solution

The fourth proportional to 27,695.70, 38,153.36 and 22,028.74 is: 30,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,695.70 : 38,153.36 = 22,028.74 : x
  2. Step 2: Convert to fraction form
    27,695.70/38,153.36 = 22,028.74/x
  3. Step 3: Cross multiply
    27,695.70x = 38,153.36 × 22,028.74
  4. Step 4: Simplify right side
    27,695.70x = 840,470,447.57
  5. Step 5: Solve for x
    x = 840,470,447.57/27,695.70
  6. Step 6: Final answer
    x = 30,346.60

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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.