Home / 26,866.08-40,297.84-8,145.28

Finding the Fourth Proportional to 26,866.08, 40,297.84 and 8,145.28

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Solution

The fourth proportional to 26,866.08, 40,297.84 and 8,145.28 is: 12,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,866.08 : 40,297.84 = 8,145.28 : x
  2. Step 2: Convert to fraction form
    26,866.08/40,297.84 = 8,145.28/x
  3. Step 3: Cross multiply
    26,866.08x = 40,297.84 × 8,145.28
  4. Step 4: Simplify right side
    26,866.08x = 328,237,190.20
  5. Step 5: Solve for x
    x = 328,237,190.20/26,866.08
  6. Step 6: Final answer
    x = 12,217.53

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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.