Home / 21,827.80-32,742.87-6,245.80

Finding the Fourth Proportional to 21,827.80, 32,742.87 and 6,245.80

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Solution

The fourth proportional to 21,827.80, 32,742.87 and 6,245.80 is: 9,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.80 : 32,742.87 = 6,245.80 : x
  2. Step 2: Convert to fraction form
    21,827.80/32,742.87 = 6,245.80/x
  3. Step 3: Cross multiply
    21,827.80x = 32,742.87 × 6,245.80
  4. Step 4: Simplify right side
    21,827.80x = 204,505,417.45
  5. Step 5: Solve for x
    x = 204,505,417.45/21,827.80
  6. Step 6: Final answer
    x = 9,369.03

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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.