Home / 26,271.18-39,392.10-8,731.44

Finding the Fourth Proportional to 26,271.18, 39,392.10 and 8,731.44

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Solution

The fourth proportional to 26,271.18, 39,392.10 and 8,731.44 is: 13,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.18 : 39,392.10 = 8,731.44 : x
  2. Step 2: Convert to fraction form
    26,271.18/39,392.10 = 8,731.44/x
  3. Step 3: Cross multiply
    26,271.18x = 39,392.10 × 8,731.44
  4. Step 4: Simplify right side
    26,271.18x = 343,949,757.62
  5. Step 5: Solve for x
    x = 343,949,757.62/26,271.18
  6. Step 6: Final answer
    x = 13,092.28

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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.