Home / 28,788.30-43,125.93-25,653.60

Finding the Fourth Proportional to 28,788.30, 43,125.93 and 25,653.60

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Solution

The fourth proportional to 28,788.30, 43,125.93 and 25,653.60 is: 38,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.30 : 43,125.93 = 25,653.60 : x
  2. Step 2: Convert to fraction form
    28,788.30/43,125.93 = 25,653.60/x
  3. Step 3: Cross multiply
    28,788.30x = 43,125.93 × 25,653.60
  4. Step 4: Simplify right side
    28,788.30x = 1,106,335,357.85
  5. Step 5: Solve for x
    x = 1,106,335,357.85/28,788.30
  6. Step 6: Final answer
    x = 38,430.03

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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.