Home / 28,875.92-39,847.01-16,774.52

Finding the Fourth Proportional to 28,875.92, 39,847.01 and 16,774.52

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Solution

The fourth proportional to 28,875.92, 39,847.01 and 16,774.52 is: 23,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.92 : 39,847.01 = 16,774.52 : x
  2. Step 2: Convert to fraction form
    28,875.92/39,847.01 = 16,774.52/x
  3. Step 3: Cross multiply
    28,875.92x = 39,847.01 × 16,774.52
  4. Step 4: Simplify right side
    28,875.92x = 668,414,183.08
  5. Step 5: Solve for x
    x = 668,414,183.08/28,875.92
  6. Step 6: Final answer
    x = 23,147.81

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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.