Home / 23,028.84-34,506.32-20,814.50

Finding the Fourth Proportional to 23,028.84, 34,506.32 and 20,814.50

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Solution

The fourth proportional to 23,028.84, 34,506.32 and 20,814.50 is: 31,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.84 : 34,506.32 = 20,814.50 : x
  2. Step 2: Convert to fraction form
    23,028.84/34,506.32 = 20,814.50/x
  3. Step 3: Cross multiply
    23,028.84x = 34,506.32 × 20,814.50
  4. Step 4: Simplify right side
    23,028.84x = 718,231,797.64
  5. Step 5: Solve for x
    x = 718,231,797.64/23,028.84
  6. Step 6: Final answer
    x = 31,188.36

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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.