Home / 21,942.20-32,907.02-7,152.41

Finding the Fourth Proportional to 21,942.20, 32,907.02 and 7,152.41

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Solution

The fourth proportional to 21,942.20, 32,907.02 and 7,152.41 is: 10,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.20 : 32,907.02 = 7,152.41 : x
  2. Step 2: Convert to fraction form
    21,942.20/32,907.02 = 7,152.41/x
  3. Step 3: Cross multiply
    21,942.20x = 32,907.02 × 7,152.41
  4. Step 4: Simplify right side
    21,942.20x = 235,364,531.11
  5. Step 5: Solve for x
    x = 235,364,531.11/21,942.20
  6. Step 6: Final answer
    x = 10,726.57

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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.