Home / 28,805.52-39,735.45-16,866.54

Finding the Fourth Proportional to 28,805.52, 39,735.45 and 16,866.54

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Solution

The fourth proportional to 28,805.52, 39,735.45 and 16,866.54 is: 23,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.52 : 39,735.45 = 16,866.54 : x
  2. Step 2: Convert to fraction form
    28,805.52/39,735.45 = 16,866.54/x
  3. Step 3: Cross multiply
    28,805.52x = 39,735.45 × 16,866.54
  4. Step 4: Simplify right side
    28,805.52x = 670,199,556.84
  5. Step 5: Solve for x
    x = 670,199,556.84/28,805.52
  6. Step 6: Final answer
    x = 23,266.36

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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.