Home / 28,606.14-42,839.94-14,529.14

Finding the Fourth Proportional to 28,606.14, 42,839.94 and 14,529.14

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Solution

The fourth proportional to 28,606.14, 42,839.94 and 14,529.14 is: 21,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.14 : 42,839.94 = 14,529.14 : x
  2. Step 2: Convert to fraction form
    28,606.14/42,839.94 = 14,529.14/x
  3. Step 3: Cross multiply
    28,606.14x = 42,839.94 × 14,529.14
  4. Step 4: Simplify right side
    28,606.14x = 622,427,485.85
  5. Step 5: Solve for x
    x = 622,427,485.85/28,606.14
  6. Step 6: Final answer
    x = 21,758.53

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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.