Home / 26,683.20-39,981.60-22,276.80

Finding the Fourth Proportional to 26,683.20, 39,981.60 and 22,276.80

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Solution

The fourth proportional to 26,683.20, 39,981.60 and 22,276.80 is: 33,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,683.20 : 39,981.60 = 22,276.80 : x
  2. Step 2: Convert to fraction form
    26,683.20/39,981.60 = 22,276.80/x
  3. Step 3: Cross multiply
    26,683.20x = 39,981.60 × 22,276.80
  4. Step 4: Simplify right side
    26,683.20x = 890,662,106.88
  5. Step 5: Solve for x
    x = 890,662,106.88/26,683.20
  6. Step 6: Final answer
    x = 33,379.13

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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.