Home / 28,296.92-39,055.38-16,359.68

Finding the Fourth Proportional to 28,296.92, 39,055.38 and 16,359.68

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Solution

The fourth proportional to 28,296.92, 39,055.38 and 16,359.68 is: 22,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.92 : 39,055.38 = 16,359.68 : x
  2. Step 2: Convert to fraction form
    28,296.92/39,055.38 = 16,359.68/x
  3. Step 3: Cross multiply
    28,296.92x = 39,055.38 × 16,359.68
  4. Step 4: Simplify right side
    28,296.92x = 638,933,519.08
  5. Step 5: Solve for x
    x = 638,933,519.08/28,296.92
  6. Step 6: Final answer
    x = 22,579.61

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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.