Home / 26,720.60-40,073.70-8,000.60

Finding the Fourth Proportional to 26,720.60, 40,073.70 and 8,000.60

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Solution

The fourth proportional to 26,720.60, 40,073.70 and 8,000.60 is: 11,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.60 : 40,073.70 = 8,000.60 : x
  2. Step 2: Convert to fraction form
    26,720.60/40,073.70 = 8,000.60/x
  3. Step 3: Cross multiply
    26,720.60x = 40,073.70 × 8,000.60
  4. Step 4: Simplify right side
    26,720.60x = 320,613,644.22
  5. Step 5: Solve for x
    x = 320,613,644.22/26,720.60
  6. Step 6: Final answer
    x = 11,998.74

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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.