Home / 18,525.61-27,788.13-4,485.52

Finding the Fourth Proportional to 18,525.61, 27,788.13 and 4,485.52

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Solution

The fourth proportional to 18,525.61, 27,788.13 and 4,485.52 is: 6,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.61 : 27,788.13 = 4,485.52 : x
  2. Step 2: Convert to fraction form
    18,525.61/27,788.13 = 4,485.52/x
  3. Step 3: Cross multiply
    18,525.61x = 27,788.13 × 4,485.52
  4. Step 4: Simplify right side
    18,525.61x = 124,644,212.88
  5. Step 5: Solve for x
    x = 124,644,212.88/18,525.61
  6. Step 6: Final answer
    x = 6,728.21

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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.