Home / 28,847.08-39,807.67-16,099.57

Finding the Fourth Proportional to 28,847.08, 39,807.67 and 16,099.57

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Solution

The fourth proportional to 28,847.08, 39,807.67 and 16,099.57 is: 22,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.08 : 39,807.67 = 16,099.57 : x
  2. Step 2: Convert to fraction form
    28,847.08/39,807.67 = 16,099.57/x
  3. Step 3: Cross multiply
    28,847.08x = 39,807.67 × 16,099.57
  4. Step 4: Simplify right side
    28,847.08x = 640,886,369.70
  5. Step 5: Solve for x
    x = 640,886,369.70/28,847.08
  6. Step 6: Final answer
    x = 22,216.68

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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.