Home / 28,441.68-42,658.77-8,450.76

Finding the Fourth Proportional to 28,441.68, 42,658.77 and 8,450.76

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Solution

The fourth proportional to 28,441.68, 42,658.77 and 8,450.76 is: 12,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.68 : 42,658.77 = 8,450.76 : x
  2. Step 2: Convert to fraction form
    28,441.68/42,658.77 = 8,450.76/x
  3. Step 3: Cross multiply
    28,441.68x = 42,658.77 × 8,450.76
  4. Step 4: Simplify right side
    28,441.68x = 360,499,027.17
  5. Step 5: Solve for x
    x = 360,499,027.17/28,441.68
  6. Step 6: Final answer
    x = 12,675.03

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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.