Home / 21,338.46-32,002.80-5,757.30

Finding the Fourth Proportional to 21,338.46, 32,002.80 and 5,757.30

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Solution

The fourth proportional to 21,338.46, 32,002.80 and 5,757.30 is: 8,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,338.46 : 32,002.80 = 5,757.30 : x
  2. Step 2: Convert to fraction form
    21,338.46/32,002.80 = 5,757.30/x
  3. Step 3: Cross multiply
    21,338.46x = 32,002.80 × 5,757.30
  4. Step 4: Simplify right side
    21,338.46x = 184,249,720.44
  5. Step 5: Solve for x
    x = 184,249,720.44/21,338.46
  6. Step 6: Final answer
    x = 8,634.63

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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.