Home / 28,027.44-42,025.67-11,143.35

Finding the Fourth Proportional to 28,027.44, 42,025.67 and 11,143.35

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Solution

The fourth proportional to 28,027.44, 42,025.67 and 11,143.35 is: 16,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.44 : 42,025.67 = 11,143.35 : x
  2. Step 2: Convert to fraction form
    28,027.44/42,025.67 = 11,143.35/x
  3. Step 3: Cross multiply
    28,027.44x = 42,025.67 × 11,143.35
  4. Step 4: Simplify right side
    28,027.44x = 468,306,617.67
  5. Step 5: Solve for x
    x = 468,306,617.67/28,027.44
  6. Step 6: Final answer
    x = 16,708.86

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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.