Home / 28,100.76-42,183.72-16,422.36

Finding the Fourth Proportional to 28,100.76, 42,183.72 and 16,422.36

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Solution

The fourth proportional to 28,100.76, 42,183.72 and 16,422.36 is: 24,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.76 : 42,183.72 = 16,422.36 : x
  2. Step 2: Convert to fraction form
    28,100.76/42,183.72 = 16,422.36/x
  3. Step 3: Cross multiply
    28,100.76x = 42,183.72 × 16,422.36
  4. Step 4: Simplify right side
    28,100.76x = 692,756,235.98
  5. Step 5: Solve for x
    x = 692,756,235.98/28,100.76
  6. Step 6: Final answer
    x = 24,652.58

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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.