Home / 21,650.87-32,477.21-6,859.46

Finding the Fourth Proportional to 21,650.87, 32,477.21 and 6,859.46

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Solution

The fourth proportional to 21,650.87, 32,477.21 and 6,859.46 is: 10,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.87 : 32,477.21 = 6,859.46 : x
  2. Step 2: Convert to fraction form
    21,650.87/32,477.21 = 6,859.46/x
  3. Step 3: Cross multiply
    21,650.87x = 32,477.21 × 6,859.46
  4. Step 4: Simplify right side
    21,650.87x = 222,775,943.37
  5. Step 5: Solve for x
    x = 222,775,943.37/21,650.87
  6. Step 6: Final answer
    x = 10,289.47

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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.