Home / 17,928.90-26,889.75-17,039.79

Finding the Fourth Proportional to 17,928.90, 26,889.75 and 17,039.79

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Solution

The fourth proportional to 17,928.90, 26,889.75 and 17,039.79 is: 25,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.90 : 26,889.75 = 17,039.79 : x
  2. Step 2: Convert to fraction form
    17,928.90/26,889.75 = 17,039.79/x
  3. Step 3: Cross multiply
    17,928.90x = 26,889.75 × 17,039.79
  4. Step 4: Simplify right side
    17,928.90x = 458,195,693.15
  5. Step 5: Solve for x
    x = 458,195,693.15/17,928.90
  6. Step 6: Final answer
    x = 25,556.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.