Home / 26,076.80-39,115.20-9,667.20

Finding the Fourth Proportional to 26,076.80, 39,115.20 and 9,667.20

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Solution

The fourth proportional to 26,076.80, 39,115.20 and 9,667.20 is: 14,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,076.80 : 39,115.20 = 9,667.20 : x
  2. Step 2: Convert to fraction form
    26,076.80/39,115.20 = 9,667.20/x
  3. Step 3: Cross multiply
    26,076.80x = 39,115.20 × 9,667.20
  4. Step 4: Simplify right side
    26,076.80x = 378,134,461.44
  5. Step 5: Solve for x
    x = 378,134,461.44/26,076.80
  6. Step 6: Final answer
    x = 14,500.80

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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.