Home / 21,926.67-32,890.40-7,135.53

Finding the Fourth Proportional to 21,926.67, 32,890.40 and 7,135.53

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Solution

The fourth proportional to 21,926.67, 32,890.40 and 7,135.53 is: 10,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.67 : 32,890.40 = 7,135.53 : x
  2. Step 2: Convert to fraction form
    21,926.67/32,890.40 = 7,135.53/x
  3. Step 3: Cross multiply
    21,926.67x = 32,890.40 × 7,135.53
  4. Step 4: Simplify right side
    21,926.67x = 234,690,435.91
  5. Step 5: Solve for x
    x = 234,690,435.91/21,926.67
  6. Step 6: Final answer
    x = 10,703.42

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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.