Home / 26,669.10-40,003.62-6,947.60

Finding the Fourth Proportional to 26,669.10, 40,003.62 and 6,947.60

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Solution

The fourth proportional to 26,669.10, 40,003.62 and 6,947.60 is: 10,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.10 : 40,003.62 = 6,947.60 : x
  2. Step 2: Convert to fraction form
    26,669.10/40,003.62 = 6,947.60/x
  3. Step 3: Cross multiply
    26,669.10x = 40,003.62 × 6,947.60
  4. Step 4: Simplify right side
    26,669.10x = 277,929,150.31
  5. Step 5: Solve for x
    x = 277,929,150.31/26,669.10
  6. Step 6: Final answer
    x = 10,421.39

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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.