Home / 28,525.64-42,788.94-7,748.60

Finding the Fourth Proportional to 28,525.64, 42,788.94 and 7,748.60

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Solution

The fourth proportional to 28,525.64, 42,788.94 and 7,748.60 is: 11,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.64 : 42,788.94 = 7,748.60 : x
  2. Step 2: Convert to fraction form
    28,525.64/42,788.94 = 7,748.60/x
  3. Step 3: Cross multiply
    28,525.64x = 42,788.94 × 7,748.60
  4. Step 4: Simplify right side
    28,525.64x = 331,554,380.48
  5. Step 5: Solve for x
    x = 331,554,380.48/28,525.64
  6. Step 6: Final answer
    x = 11,623.03

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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.