Home / 28,945.58-39,946.58-16,198.65

Finding the Fourth Proportional to 28,945.58, 39,946.58 and 16,198.65

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Solution

The fourth proportional to 28,945.58, 39,946.58 and 16,198.65 is: 22,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.58 : 39,946.58 = 16,198.65 : x
  2. Step 2: Convert to fraction form
    28,945.58/39,946.58 = 16,198.65/x
  3. Step 3: Cross multiply
    28,945.58x = 39,946.58 × 16,198.65
  4. Step 4: Simplify right side
    28,945.58x = 647,080,668.12
  5. Step 5: Solve for x
    x = 647,080,668.12/28,945.58
  6. Step 6: Final answer
    x = 22,355.08

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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.