Home / 52,638.92-72,642.66-28,766.60

Finding the Fourth Proportional to 52,638.92, 72,642.66 and 28,766.60

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Solution

The fourth proportional to 52,638.92, 72,642.66 and 28,766.60 is: 39,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,638.92 : 72,642.66 = 28,766.60 : x
  2. Step 2: Convert to fraction form
    52,638.92/72,642.66 = 28,766.60/x
  3. Step 3: Cross multiply
    52,638.92x = 72,642.66 × 28,766.60
  4. Step 4: Simplify right side
    52,638.92x = 2,089,682,343.16
  5. Step 5: Solve for x
    x = 2,089,682,343.16/52,638.92
  6. Step 6: Final answer
    x = 39,698.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.