Home / 21,372.80-32,047.44-6,577.60

Finding the Fourth Proportional to 21,372.80, 32,047.44 and 6,577.60

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Solution

The fourth proportional to 21,372.80, 32,047.44 and 6,577.60 is: 9,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.80 : 32,047.44 = 6,577.60 : x
  2. Step 2: Convert to fraction form
    21,372.80/32,047.44 = 6,577.60/x
  3. Step 3: Cross multiply
    21,372.80x = 32,047.44 × 6,577.60
  4. Step 4: Simplify right side
    21,372.80x = 210,795,241.34
  5. Step 5: Solve for x
    x = 210,795,241.34/21,372.80
  6. Step 6: Final answer
    x = 9,862.78

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1.5x scale

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.