Home / 27,316.72-37,694.73-15,377.86

Finding the Fourth Proportional to 27,316.72, 37,694.73 and 15,377.86

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Solution

The fourth proportional to 27,316.72, 37,694.73 and 15,377.86 is: 21,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.72 : 37,694.73 = 15,377.86 : x
  2. Step 2: Convert to fraction form
    27,316.72/37,694.73 = 15,377.86/x
  3. Step 3: Cross multiply
    27,316.72x = 37,694.73 × 15,377.86
  4. Step 4: Simplify right side
    27,316.72x = 579,664,280.68
  5. Step 5: Solve for x
    x = 579,664,280.68/27,316.72
  6. Step 6: Final answer
    x = 21,220.13

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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.