Home / 28,025.37-42,027.12-12,235.23

Finding the Fourth Proportional to 28,025.37, 42,027.12 and 12,235.23

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Solution

The fourth proportional to 28,025.37, 42,027.12 and 12,235.23 is: 18,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.37 : 42,027.12 = 12,235.23 : x
  2. Step 2: Convert to fraction form
    28,025.37/42,027.12 = 12,235.23/x
  3. Step 3: Cross multiply
    28,025.37x = 42,027.12 × 12,235.23
  4. Step 4: Simplify right side
    28,025.37x = 514,211,479.44
  5. Step 5: Solve for x
    x = 514,211,479.44/28,025.37
  6. Step 6: Final answer
    x = 18,348.07

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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.