Home / 23,260.55-34,890.84-19,139.90

Finding the Fourth Proportional to 23,260.55, 34,890.84 and 19,139.90

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Solution

The fourth proportional to 23,260.55, 34,890.84 and 19,139.90 is: 28,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,260.55 : 34,890.84 = 19,139.90 : x
  2. Step 2: Convert to fraction form
    23,260.55/34,890.84 = 19,139.90/x
  3. Step 3: Cross multiply
    23,260.55x = 34,890.84 × 19,139.90
  4. Step 4: Simplify right side
    23,260.55x = 667,807,014.06
  5. Step 5: Solve for x
    x = 667,807,014.06/23,260.55
  6. Step 6: Final answer
    x = 28,709.86

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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.