Home / 19,628.82-29,432.05-13,396.38

Finding the Fourth Proportional to 19,628.82, 29,432.05 and 13,396.38

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Solution

The fourth proportional to 19,628.82, 29,432.05 and 13,396.38 is: 20,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.82 : 29,432.05 = 13,396.38 : x
  2. Step 2: Convert to fraction form
    19,628.82/29,432.05 = 13,396.38/x
  3. Step 3: Cross multiply
    19,628.82x = 29,432.05 × 13,396.38
  4. Step 4: Simplify right side
    19,628.82x = 394,282,846.06
  5. Step 5: Solve for x
    x = 394,282,846.06/19,628.82
  6. Step 6: Final answer
    x = 20,086.93

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1.5x scale

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.