Home / 55,173.20-82,735.26-15,721.40

Finding the Fourth Proportional to 55,173.20, 82,735.26 and 15,721.40

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Solution

The fourth proportional to 55,173.20, 82,735.26 and 15,721.40 is: 23,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173.20 : 82,735.26 = 15,721.40 : x
  2. Step 2: Convert to fraction form
    55,173.20/82,735.26 = 15,721.40/x
  3. Step 3: Cross multiply
    55,173.20x = 82,735.26 × 15,721.40
  4. Step 4: Simplify right side
    55,173.20x = 1,300,714,116.56
  5. Step 5: Solve for x
    x = 1,300,714,116.56/55,173.20
  6. Step 6: Final answer
    x = 23,575.11

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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.