Home / 27,442.25-37,873.77-15,505.33

Finding the Fourth Proportional to 27,442.25, 37,873.77 and 15,505.33

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Solution

The fourth proportional to 27,442.25, 37,873.77 and 15,505.33 is: 21,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.25 : 37,873.77 = 15,505.33 : x
  2. Step 2: Convert to fraction form
    27,442.25/37,873.77 = 15,505.33/x
  3. Step 3: Cross multiply
    27,442.25x = 37,873.77 × 15,505.33
  4. Step 4: Simplify right side
    27,442.25x = 587,245,302.19
  5. Step 5: Solve for x
    x = 587,245,302.19/27,442.25
  6. Step 6: Final answer
    x = 21,399.31

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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.