Home / 28,768.77-39,698.37-16,022.75

Finding the Fourth Proportional to 28,768.77, 39,698.37 and 16,022.75

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Solution

The fourth proportional to 28,768.77, 39,698.37 and 16,022.75 is: 22,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.77 : 39,698.37 = 16,022.75 : x
  2. Step 2: Convert to fraction form
    28,768.77/39,698.37 = 16,022.75/x
  3. Step 3: Cross multiply
    28,768.77x = 39,698.37 × 16,022.75
  4. Step 4: Simplify right side
    28,768.77x = 636,076,859.43
  5. Step 5: Solve for x
    x = 636,076,859.43/28,768.77
  6. Step 6: Final answer
    x = 22,109.98

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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.