Home / 27,021.27-37,288.14-15,084.33

Finding the Fourth Proportional to 27,021.27, 37,288.14 and 15,084.33

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Solution

The fourth proportional to 27,021.27, 37,288.14 and 15,084.33 is: 20,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.27 : 37,288.14 = 15,084.33 : x
  2. Step 2: Convert to fraction form
    27,021.27/37,288.14 = 15,084.33/x
  3. Step 3: Cross multiply
    27,021.27x = 37,288.14 × 15,084.33
  4. Step 4: Simplify right side
    27,021.27x = 562,466,608.85
  5. Step 5: Solve for x
    x = 562,466,608.85/27,021.27
  6. Step 6: Final answer
    x = 20,815.70

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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.