Home / 26,909.50-40,372.90-8,193.16

Finding the Fourth Proportional to 26,909.50, 40,372.90 and 8,193.16

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Solution

The fourth proportional to 26,909.50, 40,372.90 and 8,193.16 is: 12,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.50 : 40,372.90 = 8,193.16 : x
  2. Step 2: Convert to fraction form
    26,909.50/40,372.90 = 8,193.16/x
  3. Step 3: Cross multiply
    26,909.50x = 40,372.90 × 8,193.16
  4. Step 4: Simplify right side
    26,909.50x = 330,781,629.36
  5. Step 5: Solve for x
    x = 330,781,629.36/26,909.50
  6. Step 6: Final answer
    x = 12,292.37

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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.