Home / 26,851.85-40,274.61-7,131.93

Finding the Fourth Proportional to 26,851.85, 40,274.61 and 7,131.93

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Solution

The fourth proportional to 26,851.85, 40,274.61 and 7,131.93 is: 10,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.85 : 40,274.61 = 7,131.93 : x
  2. Step 2: Convert to fraction form
    26,851.85/40,274.61 = 7,131.93/x
  3. Step 3: Cross multiply
    26,851.85x = 40,274.61 × 7,131.93
  4. Step 4: Simplify right side
    26,851.85x = 287,235,699.30
  5. Step 5: Solve for x
    x = 287,235,699.30/26,851.85
  6. Step 6: Final answer
    x = 10,697.05

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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.