Home / 28,850.37-39,788.58-18,775.18

Finding the Fourth Proportional to 28,850.37, 39,788.58 and 18,775.18

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Solution

The fourth proportional to 28,850.37, 39,788.58 and 18,775.18 is: 25,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.37 : 39,788.58 = 18,775.18 : x
  2. Step 2: Convert to fraction form
    28,850.37/39,788.58 = 18,775.18/x
  3. Step 3: Cross multiply
    28,850.37x = 39,788.58 × 18,775.18
  4. Step 4: Simplify right side
    28,850.37x = 747,037,751.44
  5. Step 5: Solve for x
    x = 747,037,751.44/28,850.37
  6. Step 6: Final answer
    x = 25,893.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.