Home / 26,810.10-40,219.95-11,229.30

Finding the Fourth Proportional to 26,810.10, 40,219.95 and 11,229.30

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Solution

The fourth proportional to 26,810.10, 40,219.95 and 11,229.30 is: 16,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.10 : 40,219.95 = 11,229.30 : x
  2. Step 2: Convert to fraction form
    26,810.10/40,219.95 = 11,229.30/x
  3. Step 3: Cross multiply
    26,810.10x = 40,219.95 × 11,229.30
  4. Step 4: Simplify right side
    26,810.10x = 451,641,884.54
  5. Step 5: Solve for x
    x = 451,641,884.54/26,810.10
  6. Step 6: Final answer
    x = 16,845.96

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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.