Home / 21,548.22-32,322.72-6,756.80

Finding the Fourth Proportional to 21,548.22, 32,322.72 and 6,756.80

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Solution

The fourth proportional to 21,548.22, 32,322.72 and 6,756.80 is: 10,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.22 : 32,322.72 = 6,756.80 : x
  2. Step 2: Convert to fraction form
    21,548.22/32,322.72 = 6,756.80/x
  3. Step 3: Cross multiply
    21,548.22x = 32,322.72 × 6,756.80
  4. Step 4: Simplify right side
    21,548.22x = 218,398,154.50
  5. Step 5: Solve for x
    x = 218,398,154.50/21,548.22
  6. Step 6: Final answer
    x = 10,135.32

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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.