Home / 27,323.42-37,709.94-15,389.12

Finding the Fourth Proportional to 27,323.42, 37,709.94 and 15,389.12

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Solution

The fourth proportional to 27,323.42, 37,709.94 and 15,389.12 is: 21,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.42 : 37,709.94 = 15,389.12 : x
  2. Step 2: Convert to fraction form
    27,323.42/37,709.94 = 15,389.12/x
  3. Step 3: Cross multiply
    27,323.42x = 37,709.94 × 15,389.12
  4. Step 4: Simplify right side
    27,323.42x = 580,322,791.85
  5. Step 5: Solve for x
    x = 580,322,791.85/27,323.42
  6. Step 6: Final answer
    x = 21,239.02

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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.