Home / 28,050.64-42,074.52-8,329.36

Finding the Fourth Proportional to 28,050.64, 42,074.52 and 8,329.36

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Solution

The fourth proportional to 28,050.64, 42,074.52 and 8,329.36 is: 12,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.64 : 42,074.52 = 8,329.36 : x
  2. Step 2: Convert to fraction form
    28,050.64/42,074.52 = 8,329.36/x
  3. Step 3: Cross multiply
    28,050.64x = 42,074.52 × 8,329.36
  4. Step 4: Simplify right side
    28,050.64x = 350,453,823.91
  5. Step 5: Solve for x
    x = 350,453,823.91/28,050.64
  6. Step 6: Final answer
    x = 12,493.61

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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.