Home / 28,558.31-42,876.79-14,527.84

Finding the Fourth Proportional to 28,558.31, 42,876.79 and 14,527.84

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Solution

The fourth proportional to 28,558.31, 42,876.79 and 14,527.84 is: 21,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.31 : 42,876.79 = 14,527.84 : x
  2. Step 2: Convert to fraction form
    28,558.31/42,876.79 = 14,527.84/x
  3. Step 3: Cross multiply
    28,558.31x = 42,876.79 × 14,527.84
  4. Step 4: Simplify right side
    28,558.31x = 622,907,072.19
  5. Step 5: Solve for x
    x = 622,907,072.19/28,558.31
  6. Step 6: Final answer
    x = 21,811.76

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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.