Home / 28,014.75-42,028.74-8,292.60

Finding the Fourth Proportional to 28,014.75, 42,028.74 and 8,292.60

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Solution

The fourth proportional to 28,014.75, 42,028.74 and 8,292.60 is: 12,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.75 : 42,028.74 = 8,292.60 : x
  2. Step 2: Convert to fraction form
    28,014.75/42,028.74 = 8,292.60/x
  3. Step 3: Cross multiply
    28,014.75x = 42,028.74 × 8,292.60
  4. Step 4: Simplify right side
    28,014.75x = 348,527,529.32
  5. Step 5: Solve for x
    x = 348,527,529.32/28,014.75
  6. Step 6: Final answer
    x = 12,440.86

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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.