Home / 28,075.58-42,091.01-16,215.86

Finding the Fourth Proportional to 28,075.58, 42,091.01 and 16,215.86

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Solution

The fourth proportional to 28,075.58, 42,091.01 and 16,215.86 is: 24,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.58 : 42,091.01 = 16,215.86 : x
  2. Step 2: Convert to fraction form
    28,075.58/42,091.01 = 16,215.86/x
  3. Step 3: Cross multiply
    28,075.58x = 42,091.01 × 16,215.86
  4. Step 4: Simplify right side
    28,075.58x = 682,541,633.88
  5. Step 5: Solve for x
    x = 682,541,633.88/28,075.58
  6. Step 6: Final answer
    x = 24,310.87

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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.