Home / 26,003.03-39,008.60-8,468.78

Finding the Fourth Proportional to 26,003.03, 39,008.60 and 8,468.78

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Solution

The fourth proportional to 26,003.03, 39,008.60 and 8,468.78 is: 12,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003.03 : 39,008.60 = 8,468.78 : x
  2. Step 2: Convert to fraction form
    26,003.03/39,008.60 = 8,468.78/x
  3. Step 3: Cross multiply
    26,003.03x = 39,008.60 × 8,468.78
  4. Step 4: Simplify right side
    26,003.03x = 330,355,209.16
  5. Step 5: Solve for x
    x = 330,355,209.16/26,003.03
  6. Step 6: Final answer
    x = 12,704.49

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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.