Home / 26,211.20-39,273.60-21,804.80

Finding the Fourth Proportional to 26,211.20, 39,273.60 and 21,804.80

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Solution

The fourth proportional to 26,211.20, 39,273.60 and 21,804.80 is: 32,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.20 : 39,273.60 = 21,804.80 : x
  2. Step 2: Convert to fraction form
    26,211.20/39,273.60 = 21,804.80/x
  3. Step 3: Cross multiply
    26,211.20x = 39,273.60 × 21,804.80
  4. Step 4: Simplify right side
    26,211.20x = 856,352,993.28
  5. Step 5: Solve for x
    x = 856,352,993.28/26,211.20
  6. Step 6: Final answer
    x = 32,671.26

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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.