Home / 27,313.92-37,696.77-15,379.56

Finding the Fourth Proportional to 27,313.92, 37,696.77 and 15,379.56

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Solution

The fourth proportional to 27,313.92, 37,696.77 and 15,379.56 is: 21,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.92 : 37,696.77 = 15,379.56 : x
  2. Step 2: Convert to fraction form
    27,313.92/37,696.77 = 15,379.56/x
  3. Step 3: Cross multiply
    27,313.92x = 37,696.77 × 15,379.56
  4. Step 4: Simplify right side
    27,313.92x = 579,759,736.02
  5. Step 5: Solve for x
    x = 579,759,736.02/27,313.92
  6. Step 6: Final answer
    x = 21,225.80

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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.