Home / 25,137.90-37,734.57-21,237.39

Finding the Fourth Proportional to 25,137.90, 37,734.57 and 21,237.39

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Solution

The fourth proportional to 25,137.90, 37,734.57 and 21,237.39 is: 31,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.90 : 37,734.57 = 21,237.39 : x
  2. Step 2: Convert to fraction form
    25,137.90/37,734.57 = 21,237.39/x
  3. Step 3: Cross multiply
    25,137.90x = 37,734.57 × 21,237.39
  4. Step 4: Simplify right side
    25,137.90x = 801,383,779.57
  5. Step 5: Solve for x
    x = 801,383,779.57/25,137.90
  6. Step 6: Final answer
    x = 31,879.50

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1.5x scale

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.