Home / 21,926.51-32,893.20-7,131.96

Finding the Fourth Proportional to 21,926.51, 32,893.20 and 7,131.96

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Solution

The fourth proportional to 21,926.51, 32,893.20 and 7,131.96 is: 10,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.51 : 32,893.20 = 7,131.96 : x
  2. Step 2: Convert to fraction form
    21,926.51/32,893.20 = 7,131.96/x
  3. Step 3: Cross multiply
    21,926.51x = 32,893.20 × 7,131.96
  4. Step 4: Simplify right side
    21,926.51x = 234,592,986.67
  5. Step 5: Solve for x
    x = 234,592,986.67/21,926.51
  6. Step 6: Final answer
    x = 10,699.06

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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.