Home / 27,730.14-38,263.17-15,793.70

Finding the Fourth Proportional to 27,730.14, 38,263.17 and 15,793.70

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Solution

The fourth proportional to 27,730.14, 38,263.17 and 15,793.70 is: 21,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.14 : 38,263.17 = 15,793.70 : x
  2. Step 2: Convert to fraction form
    27,730.14/38,263.17 = 15,793.70/x
  3. Step 3: Cross multiply
    27,730.14x = 38,263.17 × 15,793.70
  4. Step 4: Simplify right side
    27,730.14x = 604,317,028.03
  5. Step 5: Solve for x
    x = 604,317,028.03/27,730.14
  6. Step 6: Final answer
    x = 21,792.79

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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.