Home / 26,321.05-39,483.60-8,790.90

Finding the Fourth Proportional to 26,321.05, 39,483.60 and 8,790.90

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Solution

The fourth proportional to 26,321.05, 39,483.60 and 8,790.90 is: 13,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.05 : 39,483.60 = 8,790.90 : x
  2. Step 2: Convert to fraction form
    26,321.05/39,483.60 = 8,790.90/x
  3. Step 3: Cross multiply
    26,321.05x = 39,483.60 × 8,790.90
  4. Step 4: Simplify right side
    26,321.05x = 347,096,379.24
  5. Step 5: Solve for x
    x = 347,096,379.24/26,321.05
  6. Step 6: Final answer
    x = 13,187.03

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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.