Home / 27,861.05-38,405.73-17,085.97

Finding the Fourth Proportional to 27,861.05, 38,405.73 and 17,085.97

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Solution

The fourth proportional to 27,861.05, 38,405.73 and 17,085.97 is: 23,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.05 : 38,405.73 = 17,085.97 : x
  2. Step 2: Convert to fraction form
    27,861.05/38,405.73 = 17,085.97/x
  3. Step 3: Cross multiply
    27,861.05x = 38,405.73 × 17,085.97
  4. Step 4: Simplify right side
    27,861.05x = 656,199,166.58
  5. Step 5: Solve for x
    x = 656,199,166.58/27,861.05
  6. Step 6: Final answer
    x = 23,552.57

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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.