Home / 27,448.54-37,879.74-15,511.63

Finding the Fourth Proportional to 27,448.54, 37,879.74 and 15,511.63

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Solution

The fourth proportional to 27,448.54, 37,879.74 and 15,511.63 is: 21,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.54 : 37,879.74 = 15,511.63 : x
  2. Step 2: Convert to fraction form
    27,448.54/37,879.74 = 15,511.63/x
  3. Step 3: Cross multiply
    27,448.54x = 37,879.74 × 15,511.63
  4. Step 4: Simplify right side
    27,448.54x = 587,576,511.38
  5. Step 5: Solve for x
    x = 587,576,511.38/27,448.54
  6. Step 6: Final answer
    x = 21,406.48

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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.