Home / 41,728.89-57,554.48-28,982.09

Finding the Fourth Proportional to 41,728.89, 57,554.48 and 28,982.09

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Solution

The fourth proportional to 41,728.89, 57,554.48 and 28,982.09 is: 39,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,728.89 : 57,554.48 = 28,982.09 : x
  2. Step 2: Convert to fraction form
    41,728.89/57,554.48 = 28,982.09/x
  3. Step 3: Cross multiply
    41,728.89x = 57,554.48 × 28,982.09
  4. Step 4: Simplify right side
    41,728.89x = 1,668,049,119.26
  5. Step 5: Solve for x
    x = 1,668,049,119.26/41,728.89
  6. Step 6: Final answer
    x = 39,973.48

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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.