Home / 28,533.60-42,745.91-16,015.68

Finding the Fourth Proportional to 28,533.60, 42,745.91 and 16,015.68

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Solution

The fourth proportional to 28,533.60, 42,745.91 and 16,015.68 is: 23,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.60 : 42,745.91 = 16,015.68 : x
  2. Step 2: Convert to fraction form
    28,533.60/42,745.91 = 16,015.68/x
  3. Step 3: Cross multiply
    28,533.60x = 42,745.91 × 16,015.68
  4. Step 4: Simplify right side
    28,533.60x = 684,604,735.79
  5. Step 5: Solve for x
    x = 684,604,735.79/28,533.60
  6. Step 6: Final answer
    x = 23,992.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.