Home / 27,316.15-37,696.99-15,379.91

Finding the Fourth Proportional to 27,316.15, 37,696.99 and 15,379.91

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Solution

The fourth proportional to 27,316.15, 37,696.99 and 15,379.91 is: 21,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.15 : 37,696.99 = 15,379.91 : x
  2. Step 2: Convert to fraction form
    27,316.15/37,696.99 = 15,379.91/x
  3. Step 3: Cross multiply
    27,316.15x = 37,696.99 × 15,379.91
  4. Step 4: Simplify right side
    27,316.15x = 579,776,086.54
  5. Step 5: Solve for x
    x = 579,776,086.54/27,316.15
  6. Step 6: Final answer
    x = 21,224.67

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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.