Home / 27,830.08-41,679.50-21,539.72

Finding the Fourth Proportional to 27,830.08, 41,679.50 and 21,539.72

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Solution

The fourth proportional to 27,830.08, 41,679.50 and 21,539.72 is: 32,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.08 : 41,679.50 = 21,539.72 : x
  2. Step 2: Convert to fraction form
    27,830.08/41,679.50 = 21,539.72/x
  3. Step 3: Cross multiply
    27,830.08x = 41,679.50 × 21,539.72
  4. Step 4: Simplify right side
    27,830.08x = 897,764,551.34
  5. Step 5: Solve for x
    x = 897,764,551.34/27,830.08
  6. Step 6: Final answer
    x = 32,258.79

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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.