Home / 26,204.60-39,270.90-16,815.80

Finding the Fourth Proportional to 26,204.60, 39,270.90 and 16,815.80

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Solution

The fourth proportional to 26,204.60, 39,270.90 and 16,815.80 is: 25,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,204.60 : 39,270.90 = 16,815.80 : x
  2. Step 2: Convert to fraction form
    26,204.60/39,270.90 = 16,815.80/x
  3. Step 3: Cross multiply
    26,204.60x = 39,270.90 × 16,815.80
  4. Step 4: Simplify right side
    26,204.60x = 660,371,600.22
  5. Step 5: Solve for x
    x = 660,371,600.22/26,204.60
  6. Step 6: Final answer
    x = 25,200.60

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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.