Home / 21,804.10-32,706.15-15,583.30

Finding the Fourth Proportional to 21,804.10, 32,706.15 and 15,583.30

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Solution

The fourth proportional to 21,804.10, 32,706.15 and 15,583.30 is: 23,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.10 : 32,706.15 = 15,583.30 : x
  2. Step 2: Convert to fraction form
    21,804.10/32,706.15 = 15,583.30/x
  3. Step 3: Cross multiply
    21,804.10x = 32,706.15 × 15,583.30
  4. Step 4: Simplify right side
    21,804.10x = 509,669,747.30
  5. Step 5: Solve for x
    x = 509,669,747.30/21,804.10
  6. Step 6: Final answer
    x = 23,374.95

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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.