Home / 28,011.20-41,977.36-15,536.96

Finding the Fourth Proportional to 28,011.20, 41,977.36 and 15,536.96

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Solution

The fourth proportional to 28,011.20, 41,977.36 and 15,536.96 is: 23,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.20 : 41,977.36 = 15,536.96 : x
  2. Step 2: Convert to fraction form
    28,011.20/41,977.36 = 15,536.96/x
  3. Step 3: Cross multiply
    28,011.20x = 41,977.36 × 15,536.96
  4. Step 4: Simplify right side
    28,011.20x = 652,200,563.23
  5. Step 5: Solve for x
    x = 652,200,563.23/28,011.20
  6. Step 6: Final answer
    x = 23,283.56

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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.