Home / 28,712.79-43,075.26-14,489.37

Finding the Fourth Proportional to 28,712.79, 43,075.26 and 14,489.37

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Solution

The fourth proportional to 28,712.79, 43,075.26 and 14,489.37 is: 21,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712.79 : 43,075.26 = 14,489.37 : x
  2. Step 2: Convert to fraction form
    28,712.79/43,075.26 = 14,489.37/x
  3. Step 3: Cross multiply
    28,712.79x = 43,075.26 × 14,489.37
  4. Step 4: Simplify right side
    28,712.79x = 624,133,379.99
  5. Step 5: Solve for x
    x = 624,133,379.99/28,712.79
  6. Step 6: Final answer
    x = 21,737.12

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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.