Home / 21,977.54-32,965.76-6,395.30

Finding the Fourth Proportional to 21,977.54, 32,965.76 and 6,395.30

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Solution

The fourth proportional to 21,977.54, 32,965.76 and 6,395.30 is: 9,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.54 : 32,965.76 = 6,395.30 : x
  2. Step 2: Convert to fraction form
    21,977.54/32,965.76 = 6,395.30/x
  3. Step 3: Cross multiply
    21,977.54x = 32,965.76 × 6,395.30
  4. Step 4: Simplify right side
    21,977.54x = 210,825,924.93
  5. Step 5: Solve for x
    x = 210,825,924.93/21,977.54
  6. Step 6: Final answer
    x = 9,592.79

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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.