Home / 21,375.60-32,048.22-15,375.24

Finding the Fourth Proportional to 21,375.60, 32,048.22 and 15,375.24

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Solution

The fourth proportional to 21,375.60, 32,048.22 and 15,375.24 is: 23,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.60 : 32,048.22 = 15,375.24 : x
  2. Step 2: Convert to fraction form
    21,375.60/32,048.22 = 15,375.24/x
  3. Step 3: Cross multiply
    21,375.60x = 32,048.22 × 15,375.24
  4. Step 4: Simplify right side
    21,375.60x = 492,749,074.07
  5. Step 5: Solve for x
    x = 492,749,074.07/21,375.60
  6. Step 6: Final answer
    x = 23,051.94

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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.