Home / 25,195.20-37,775.32-21,271.98

Finding the Fourth Proportional to 25,195.20, 37,775.32 and 21,271.98

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Solution

The fourth proportional to 25,195.20, 37,775.32 and 21,271.98 is: 31,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.20 : 37,775.32 = 21,271.98 : x
  2. Step 2: Convert to fraction form
    25,195.20/37,775.32 = 21,271.98/x
  3. Step 3: Cross multiply
    25,195.20x = 37,775.32 × 21,271.98
  4. Step 4: Simplify right side
    25,195.20x = 803,555,851.53
  5. Step 5: Solve for x
    x = 803,555,851.53/25,195.20
  6. Step 6: Final answer
    x = 31,893.21

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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.