Home / 20,542.50-30,826.52-13,152.27

Finding the Fourth Proportional to 20,542.50, 30,826.52 and 13,152.27

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Solution

The fourth proportional to 20,542.50, 30,826.52 and 13,152.27 is: 19,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.50 : 30,826.52 = 13,152.27 : x
  2. Step 2: Convert to fraction form
    20,542.50/30,826.52 = 13,152.27/x
  3. Step 3: Cross multiply
    20,542.50x = 30,826.52 × 13,152.27
  4. Step 4: Simplify right side
    20,542.50x = 405,438,648.44
  5. Step 5: Solve for x
    x = 405,438,648.44/20,542.50
  6. Step 6: Final answer
    x = 19,736.58

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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.