Home / 26,790.40-40,178.40-11,204.80

Finding the Fourth Proportional to 26,790.40, 40,178.40 and 11,204.80

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Solution

The fourth proportional to 26,790.40, 40,178.40 and 11,204.80 is: 16,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.40 : 40,178.40 = 11,204.80 : x
  2. Step 2: Convert to fraction form
    26,790.40/40,178.40 = 11,204.80/x
  3. Step 3: Cross multiply
    26,790.40x = 40,178.40 × 11,204.80
  4. Step 4: Simplify right side
    26,790.40x = 450,190,936.32
  5. Step 5: Solve for x
    x = 450,190,936.32/26,790.40
  6. Step 6: Final answer
    x = 16,804.19

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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.