Home / 26,857.58-40,288.19-7,135.70

Finding the Fourth Proportional to 26,857.58, 40,288.19 and 7,135.70

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Solution

The fourth proportional to 26,857.58, 40,288.19 and 7,135.70 is: 10,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.58 : 40,288.19 = 7,135.70 : x
  2. Step 2: Convert to fraction form
    26,857.58/40,288.19 = 7,135.70/x
  3. Step 3: Cross multiply
    26,857.58x = 40,288.19 × 7,135.70
  4. Step 4: Simplify right side
    26,857.58x = 287,484,200.26
  5. Step 5: Solve for x
    x = 287,484,200.26/26,857.58
  6. Step 6: Final answer
    x = 10,704.03

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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.