Home / 21,631.02-29,852.20-12,675.26

Finding the Fourth Proportional to 21,631.02, 29,852.20 and 12,675.26

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Solution

The fourth proportional to 21,631.02, 29,852.20 and 12,675.26 is: 17,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.02 : 29,852.20 = 12,675.26 : x
  2. Step 2: Convert to fraction form
    21,631.02/29,852.20 = 12,675.26/x
  3. Step 3: Cross multiply
    21,631.02x = 29,852.20 × 12,675.26
  4. Step 4: Simplify right side
    21,631.02x = 378,384,396.57
  5. Step 5: Solve for x
    x = 378,384,396.57/21,631.02
  6. Step 6: Final answer
    x = 17,492.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.