Home / 28,093.68-42,149.52-19,668.96

Finding the Fourth Proportional to 28,093.68, 42,149.52 and 19,668.96

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Solution

The fourth proportional to 28,093.68, 42,149.52 and 19,668.96 is: 29,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.68 : 42,149.52 = 19,668.96 : x
  2. Step 2: Convert to fraction form
    28,093.68/42,149.52 = 19,668.96/x
  3. Step 3: Cross multiply
    28,093.68x = 42,149.52 × 19,668.96
  4. Step 4: Simplify right side
    28,093.68x = 829,037,222.90
  5. Step 5: Solve for x
    x = 829,037,222.90/28,093.68
  6. Step 6: Final answer
    x = 29,509.74

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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.