Home / 28,289.43-42,460.07-28,183.59

Finding the Fourth Proportional to 28,289.43, 42,460.07 and 28,183.59

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Solution

The fourth proportional to 28,289.43, 42,460.07 and 28,183.59 is: 42,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.43 : 42,460.07 = 28,183.59 : x
  2. Step 2: Convert to fraction form
    28,289.43/42,460.07 = 28,183.59/x
  3. Step 3: Cross multiply
    28,289.43x = 42,460.07 × 28,183.59
  4. Step 4: Simplify right side
    28,289.43x = 1,196,677,063.33
  5. Step 5: Solve for x
    x = 1,196,677,063.33/28,289.43
  6. Step 6: Final answer
    x = 42,301.21

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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.