Home / 28,912.84-43,299.96-14,835.82

Finding the Fourth Proportional to 28,912.84, 43,299.96 and 14,835.82

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Solution

The fourth proportional to 28,912.84, 43,299.96 and 14,835.82 is: 22,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.84 : 43,299.96 = 14,835.82 : x
  2. Step 2: Convert to fraction form
    28,912.84/43,299.96 = 14,835.82/x
  3. Step 3: Cross multiply
    28,912.84x = 43,299.96 × 14,835.82
  4. Step 4: Simplify right side
    28,912.84x = 642,390,412.57
  5. Step 5: Solve for x
    x = 642,390,412.57/28,912.84
  6. Step 6: Final answer
    x = 22,218.17

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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.