Home / 28,668.88-39,563.07-16,097.68

Finding the Fourth Proportional to 28,668.88, 39,563.07 and 16,097.68

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Solution

The fourth proportional to 28,668.88, 39,563.07 and 16,097.68 is: 22,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.88 : 39,563.07 = 16,097.68 : x
  2. Step 2: Convert to fraction form
    28,668.88/39,563.07 = 16,097.68/x
  3. Step 3: Cross multiply
    28,668.88x = 39,563.07 × 16,097.68
  4. Step 4: Simplify right side
    28,668.88x = 636,873,442.86
  5. Step 5: Solve for x
    x = 636,873,442.86/28,668.88
  6. Step 6: Final answer
    x = 22,214.80

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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.