Home / 28,843.47-43,280.60-11,313.45

Finding the Fourth Proportional to 28,843.47, 43,280.60 and 11,313.45

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Solution

The fourth proportional to 28,843.47, 43,280.60 and 11,313.45 is: 16,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.47 : 43,280.60 = 11,313.45 : x
  2. Step 2: Convert to fraction form
    28,843.47/43,280.60 = 11,313.45/x
  3. Step 3: Cross multiply
    28,843.47x = 43,280.60 × 11,313.45
  4. Step 4: Simplify right side
    28,843.47x = 489,652,847.50
  5. Step 5: Solve for x
    x = 489,652,847.50/28,843.47
  6. Step 6: Final answer
    x = 16,976.21

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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.