Home / 28,926.08-39,920.00-16,183.46

Finding the Fourth Proportional to 28,926.08, 39,920.00 and 16,183.46

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Solution

The fourth proportional to 28,926.08, 39,920.00 and 16,183.46 is: 22,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.08 : 39,920.00 = 16,183.46 : x
  2. Step 2: Convert to fraction form
    28,926.08/39,920.00 = 16,183.46/x
  3. Step 3: Cross multiply
    28,926.08x = 39,920.00 × 16,183.46
  4. Step 4: Simplify right side
    28,926.08x = 646,043,442.68
  5. Step 5: Solve for x
    x = 646,043,442.68/28,926.08
  6. Step 6: Final answer
    x = 22,334.29

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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.