Home / 27,834.66-38,409.72-15,896.38

Finding the Fourth Proportional to 27,834.66, 38,409.72 and 15,896.38

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Solution

The fourth proportional to 27,834.66, 38,409.72 and 15,896.38 is: 21,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.66 : 38,409.72 = 15,896.38 : x
  2. Step 2: Convert to fraction form
    27,834.66/38,409.72 = 15,896.38/x
  3. Step 3: Cross multiply
    27,834.66x = 38,409.72 × 15,896.38
  4. Step 4: Simplify right side
    27,834.66x = 610,575,504.81
  5. Step 5: Solve for x
    x = 610,575,504.81/27,834.66
  6. Step 6: Final answer
    x = 21,935.80

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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.