Home / 21,779.88-32,675.28-6,197.50

Finding the Fourth Proportional to 21,779.88, 32,675.28 and 6,197.50

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Solution

The fourth proportional to 21,779.88, 32,675.28 and 6,197.50 is: 9,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.88 : 32,675.28 = 6,197.50 : x
  2. Step 2: Convert to fraction form
    21,779.88/32,675.28 = 6,197.50/x
  3. Step 3: Cross multiply
    21,779.88x = 32,675.28 × 6,197.50
  4. Step 4: Simplify right side
    21,779.88x = 202,505,047.80
  5. Step 5: Solve for x
    x = 202,505,047.80/21,779.88
  6. Step 6: Final answer
    x = 9,297.80

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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.