Home / 28,954.33-39,964.86-17,021.54

Finding the Fourth Proportional to 28,954.33, 39,964.86 and 17,021.54

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Solution

The fourth proportional to 28,954.33, 39,964.86 and 17,021.54 is: 23,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.33 : 39,964.86 = 17,021.54 : x
  2. Step 2: Convert to fraction form
    28,954.33/39,964.86 = 17,021.54/x
  3. Step 3: Cross multiply
    28,954.33x = 39,964.86 × 17,021.54
  4. Step 4: Simplify right side
    28,954.33x = 680,263,563.00
  5. Step 5: Solve for x
    x = 680,263,563.00/28,954.33
  6. Step 6: Final answer
    x = 23,494.37

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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.