Home / 26,910.10-40,365.15-8,190.10

Finding the Fourth Proportional to 26,910.10, 40,365.15 and 8,190.10

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Solution

The fourth proportional to 26,910.10, 40,365.15 and 8,190.10 is: 12,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.10 : 40,365.15 = 8,190.10 : x
  2. Step 2: Convert to fraction form
    26,910.10/40,365.15 = 8,190.10/x
  3. Step 3: Cross multiply
    26,910.10x = 40,365.15 × 8,190.10
  4. Step 4: Simplify right side
    26,910.10x = 330,594,615.02
  5. Step 5: Solve for x
    x = 330,594,615.02/26,910.10
  6. Step 6: Final answer
    x = 12,285.15

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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.