Home / 28,841.00-39,775.59-18,765.68

Finding the Fourth Proportional to 28,841.00, 39,775.59 and 18,765.68

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Solution

The fourth proportional to 28,841.00, 39,775.59 and 18,765.68 is: 25,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.00 : 39,775.59 = 18,765.68 : x
  2. Step 2: Convert to fraction form
    28,841.00/39,775.59 = 18,765.68/x
  3. Step 3: Cross multiply
    28,841.00x = 39,775.59 × 18,765.68
  4. Step 4: Simplify right side
    28,841.00x = 746,415,794.87
  5. Step 5: Solve for x
    x = 746,415,794.87/28,841.00
  6. Step 6: Final answer
    x = 25,880.38

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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.