Home / 26,647.20-39,967.62-20,730.02

Finding the Fourth Proportional to 26,647.20, 39,967.62 and 20,730.02

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Solution

The fourth proportional to 26,647.20, 39,967.62 and 20,730.02 is: 31,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.20 : 39,967.62 = 20,730.02 : x
  2. Step 2: Convert to fraction form
    26,647.20/39,967.62 = 20,730.02/x
  3. Step 3: Cross multiply
    26,647.20x = 39,967.62 × 20,730.02
  4. Step 4: Simplify right side
    26,647.20x = 828,529,362.11
  5. Step 5: Solve for x
    x = 828,529,362.11/26,647.20
  6. Step 6: Final answer
    x = 31,092.55

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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.