Home / 25,137.12-37,627.92-21,404.64

Finding the Fourth Proportional to 25,137.12, 37,627.92 and 21,404.64

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Solution

The fourth proportional to 25,137.12, 37,627.92 and 21,404.64 is: 32,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.12 : 37,627.92 = 21,404.64 : x
  2. Step 2: Convert to fraction form
    25,137.12/37,627.92 = 21,404.64/x
  3. Step 3: Cross multiply
    25,137.12x = 37,627.92 × 21,404.64
  4. Step 4: Simplify right side
    25,137.12x = 805,412,081.55
  5. Step 5: Solve for x
    x = 805,412,081.55/25,137.12
  6. Step 6: Final answer
    x = 32,040.75

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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.