Home / 28,316.25-42,479.24-8,596.80

Finding the Fourth Proportional to 28,316.25, 42,479.24 and 8,596.80

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Solution

The fourth proportional to 28,316.25, 42,479.24 and 8,596.80 is: 12,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.25 : 42,479.24 = 8,596.80 : x
  2. Step 2: Convert to fraction form
    28,316.25/42,479.24 = 8,596.80/x
  3. Step 3: Cross multiply
    28,316.25x = 42,479.24 × 8,596.80
  4. Step 4: Simplify right side
    28,316.25x = 365,185,487.45
  5. Step 5: Solve for x
    x = 365,185,487.45/28,316.25
  6. Step 6: Final answer
    x = 12,896.68

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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.