Home / 21,063.48-31,595.09-8,583.27

Finding the Fourth Proportional to 21,063.48, 31,595.09 and 8,583.27

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Solution

The fourth proportional to 21,063.48, 31,595.09 and 8,583.27 is: 12,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.48 : 31,595.09 = 8,583.27 : x
  2. Step 2: Convert to fraction form
    21,063.48/31,595.09 = 8,583.27/x
  3. Step 3: Cross multiply
    21,063.48x = 31,595.09 × 8,583.27
  4. Step 4: Simplify right side
    21,063.48x = 271,189,145.23
  5. Step 5: Solve for x
    x = 271,189,145.23/21,063.48
  6. Step 6: Final answer
    x = 12,874.85

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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.