Home / 52,639.22-72,642.20-28,766.27

Finding the Fourth Proportional to 52,639.22, 72,642.20 and 28,766.27

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Solution

The fourth proportional to 52,639.22, 72,642.20 and 28,766.27 is: 39,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.22 : 72,642.20 = 28,766.27 : x
  2. Step 2: Convert to fraction form
    52,639.22/72,642.20 = 28,766.27/x
  3. Step 3: Cross multiply
    52,639.22x = 72,642.20 × 28,766.27
  4. Step 4: Simplify right side
    52,639.22x = 2,089,644,631.55
  5. Step 5: Solve for x
    x = 2,089,644,631.55/52,639.22
  6. Step 6: Final answer
    x = 39,697.49

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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.