Home / 28,782.44-39,711.36-16,843.55

Finding the Fourth Proportional to 28,782.44, 39,711.36 and 16,843.55

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Solution

The fourth proportional to 28,782.44, 39,711.36 and 16,843.55 is: 23,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.44 : 39,711.36 = 16,843.55 : x
  2. Step 2: Convert to fraction form
    28,782.44/39,711.36 = 16,843.55/x
  3. Step 3: Cross multiply
    28,782.44x = 39,711.36 × 16,843.55
  4. Step 4: Simplify right side
    28,782.44x = 668,880,142.33
  5. Step 5: Solve for x
    x = 668,880,142.33/28,782.44
  6. Step 6: Final answer
    x = 23,239.18

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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.