Home / 26,708.16-40,064.32-8,240

Finding the Fourth Proportional to 26,708.16, 40,064.32 and 8,240

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Solution

The fourth proportional to 26,708.16, 40,064.32 and 8,240 is: 12,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,708.16 : 40,064.32 = 8,240 : x
  2. Step 2: Convert to fraction form
    26,708.16/40,064.32 = 8,240/x
  3. Step 3: Cross multiply
    26,708.16x = 40,064.32 × 8,240
  4. Step 4: Simplify right side
    26,708.16x = 330,129,996.80
  5. Step 5: Solve for x
    x = 330,129,996.80/26,708.16
  6. Step 6: Final answer
    x = 12,360.64

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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.