Home / 26,231.45-39,343.39-8,699.00

Finding the Fourth Proportional to 26,231.45, 39,343.39 and 8,699.00

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Solution

The fourth proportional to 26,231.45, 39,343.39 and 8,699.00 is: 13,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.45 : 39,343.39 = 8,699.00 : x
  2. Step 2: Convert to fraction form
    26,231.45/39,343.39 = 8,699.00/x
  3. Step 3: Cross multiply
    26,231.45x = 39,343.39 × 8,699.00
  4. Step 4: Simplify right side
    26,231.45x = 342,247,931.15
  5. Step 5: Solve for x
    x = 342,247,931.15/26,231.45
  6. Step 6: Final answer
    x = 13,047.24

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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.