Home / 28,862.94-39,836.79-16,932.54

Finding the Fourth Proportional to 28,862.94, 39,836.79 and 16,932.54

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Solution

The fourth proportional to 28,862.94, 39,836.79 and 16,932.54 is: 23,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.94 : 39,836.79 = 16,932.54 : x
  2. Step 2: Convert to fraction form
    28,862.94/39,836.79 = 16,932.54/x
  3. Step 3: Cross multiply
    28,862.94x = 39,836.79 × 16,932.54
  4. Step 4: Simplify right side
    28,862.94x = 674,538,040.15
  5. Step 5: Solve for x
    x = 674,538,040.15/28,862.94
  6. Step 6: Final answer
    x = 23,370.39

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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.