Home / 28,996.55-43,416.88-18,409.24

Finding the Fourth Proportional to 28,996.55, 43,416.88 and 18,409.24

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Solution

The fourth proportional to 28,996.55, 43,416.88 and 18,409.24 is: 27,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.55 : 43,416.88 = 18,409.24 : x
  2. Step 2: Convert to fraction form
    28,996.55/43,416.88 = 18,409.24/x
  3. Step 3: Cross multiply
    28,996.55x = 43,416.88 × 18,409.24
  4. Step 4: Simplify right side
    28,996.55x = 799,271,772.22
  5. Step 5: Solve for x
    x = 799,271,772.22/28,996.55
  6. Step 6: Final answer
    x = 27,564.38

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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.