Home / 28,664.68-39,556.26-16,728.36

Finding the Fourth Proportional to 28,664.68, 39,556.26 and 16,728.36

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Solution

The fourth proportional to 28,664.68, 39,556.26 and 16,728.36 is: 23,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.68 : 39,556.26 = 16,728.36 : x
  2. Step 2: Convert to fraction form
    28,664.68/39,556.26 = 16,728.36/x
  3. Step 3: Cross multiply
    28,664.68x = 39,556.26 × 16,728.36
  4. Step 4: Simplify right side
    28,664.68x = 661,711,357.53
  5. Step 5: Solve for x
    x = 661,711,357.53/28,664.68
  6. Step 6: Final answer
    x = 23,084.55

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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.