Home / 72,439.26-108,596.07-28,035.45

Finding the Fourth Proportional to 72,439.26, 108,596.07 and 28,035.45

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Solution

The fourth proportional to 72,439.26, 108,596.07 and 28,035.45 is: 42,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439.26 : 108,596.07 = 28,035.45 : x
  2. Step 2: Convert to fraction form
    72,439.26/108,596.07 = 28,035.45/x
  3. Step 3: Cross multiply
    72,439.26x = 108,596.07 × 28,035.45
  4. Step 4: Simplify right side
    72,439.26x = 3,044,539,690.68
  5. Step 5: Solve for x
    x = 3,044,539,690.68/72,439.26
  6. Step 6: Final answer
    x = 42,028.86

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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.