Home / 21,372.34-32,050.30-7,328.14

Finding the Fourth Proportional to 21,372.34, 32,050.30 and 7,328.14

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Solution

The fourth proportional to 21,372.34, 32,050.30 and 7,328.14 is: 10,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.34 : 32,050.30 = 7,328.14 : x
  2. Step 2: Convert to fraction form
    21,372.34/32,050.30 = 7,328.14/x
  3. Step 3: Cross multiply
    21,372.34x = 32,050.30 × 7,328.14
  4. Step 4: Simplify right side
    21,372.34x = 234,869,085.44
  5. Step 5: Solve for x
    x = 234,869,085.44/21,372.34
  6. Step 6: Final answer
    x = 10,989.39

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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.