Home / 26,669.33-40,002.96-6,678.78

Finding the Fourth Proportional to 26,669.33, 40,002.96 and 6,678.78

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Solution

The fourth proportional to 26,669.33, 40,002.96 and 6,678.78 is: 10,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.33 : 40,002.96 = 6,678.78 : x
  2. Step 2: Convert to fraction form
    26,669.33/40,002.96 = 6,678.78/x
  3. Step 3: Cross multiply
    26,669.33x = 40,002.96 × 6,678.78
  4. Step 4: Simplify right side
    26,669.33x = 267,170,956.73
  5. Step 5: Solve for x
    x = 267,170,956.73/26,669.33
  6. Step 6: Final answer
    x = 10,017.91

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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.