Home / 28,821.44-39,773.64-16,246.16

Finding the Fourth Proportional to 28,821.44, 39,773.64 and 16,246.16

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Solution

The fourth proportional to 28,821.44, 39,773.64 and 16,246.16 is: 22,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.44 : 39,773.64 = 16,246.16 : x
  2. Step 2: Convert to fraction form
    28,821.44/39,773.64 = 16,246.16/x
  3. Step 3: Cross multiply
    28,821.44x = 39,773.64 × 16,246.16
  4. Step 4: Simplify right side
    28,821.44x = 646,168,919.22
  5. Step 5: Solve for x
    x = 646,168,919.22/28,821.44
  6. Step 6: Final answer
    x = 22,419.73

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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.