Home / 21,858.90-32,788.37-6,276.52

Finding the Fourth Proportional to 21,858.90, 32,788.37 and 6,276.52

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Solution

The fourth proportional to 21,858.90, 32,788.37 and 6,276.52 is: 9,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,858.90 : 32,788.37 = 6,276.52 : x
  2. Step 2: Convert to fraction form
    21,858.90/32,788.37 = 6,276.52/x
  3. Step 3: Cross multiply
    21,858.90x = 32,788.37 × 6,276.52
  4. Step 4: Simplify right side
    21,858.90x = 205,796,860.07
  5. Step 5: Solve for x
    x = 205,796,860.07/21,858.90
  6. Step 6: Final answer
    x = 9,414.79

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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.