Home / 26,156.20-39,176.70-20,266.60

Finding the Fourth Proportional to 26,156.20, 39,176.70 and 20,266.60

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Solution

The fourth proportional to 26,156.20, 39,176.70 and 20,266.60 is: 30,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.20 : 39,176.70 = 20,266.60 : x
  2. Step 2: Convert to fraction form
    26,156.20/39,176.70 = 20,266.60/x
  3. Step 3: Cross multiply
    26,156.20x = 39,176.70 × 20,266.60
  4. Step 4: Simplify right side
    26,156.20x = 793,978,508.22
  5. Step 5: Solve for x
    x = 793,978,508.22/26,156.20
  6. Step 6: Final answer
    x = 30,355.27

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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.