Home / 27,698.58-38,242.37-17,103.78

Finding the Fourth Proportional to 27,698.58, 38,242.37 and 17,103.78

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Solution

The fourth proportional to 27,698.58, 38,242.37 and 17,103.78 is: 23,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.58 : 38,242.37 = 17,103.78 : x
  2. Step 2: Convert to fraction form
    27,698.58/38,242.37 = 17,103.78/x
  3. Step 3: Cross multiply
    27,698.58x = 38,242.37 × 17,103.78
  4. Step 4: Simplify right side
    27,698.58x = 654,089,083.16
  5. Step 5: Solve for x
    x = 654,089,083.16/27,698.58
  6. Step 6: Final answer
    x = 23,614.53

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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.