Home / 28,826.37-39,784.23-16,894.44

Finding the Fourth Proportional to 28,826.37, 39,784.23 and 16,894.44

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Solution

The fourth proportional to 28,826.37, 39,784.23 and 16,894.44 is: 23,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.37 : 39,784.23 = 16,894.44 : x
  2. Step 2: Convert to fraction form
    28,826.37/39,784.23 = 16,894.44/x
  3. Step 3: Cross multiply
    28,826.37x = 39,784.23 × 16,894.44
  4. Step 4: Simplify right side
    28,826.37x = 672,132,286.68
  5. Step 5: Solve for x
    x = 672,132,286.68/28,826.37
  6. Step 6: Final answer
    x = 23,316.58

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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.