Home / 19,205.70-28,796.18-13,265.88

Finding the Fourth Proportional to 19,205.70, 28,796.18 and 13,265.88

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Solution

The fourth proportional to 19,205.70, 28,796.18 and 13,265.88 is: 19,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.70 : 28,796.18 = 13,265.88 : x
  2. Step 2: Convert to fraction form
    19,205.70/28,796.18 = 13,265.88/x
  3. Step 3: Cross multiply
    19,205.70x = 28,796.18 × 13,265.88
  4. Step 4: Simplify right side
    19,205.70x = 382,006,602.01
  5. Step 5: Solve for x
    x = 382,006,602.01/19,205.70
  6. Step 6: Final answer
    x = 19,890.27

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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.