Home / 28,451.07-42,694.43-10,922.67

Finding the Fourth Proportional to 28,451.07, 42,694.43 and 10,922.67

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Solution

The fourth proportional to 28,451.07, 42,694.43 and 10,922.67 is: 16,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451.07 : 42,694.43 = 10,922.67 : x
  2. Step 2: Convert to fraction form
    28,451.07/42,694.43 = 10,922.67/x
  3. Step 3: Cross multiply
    28,451.07x = 42,694.43 × 10,922.67
  4. Step 4: Simplify right side
    28,451.07x = 466,337,115.11
  5. Step 5: Solve for x
    x = 466,337,115.11/28,451.07
  6. Step 6: Final answer
    x = 16,390.85

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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.