Home / 66,886.34-100,328.49-16,285.84

Finding the Fourth Proportional to 66,886.34, 100,328.49 and 16,285.84

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Solution

The fourth proportional to 66,886.34, 100,328.49 and 16,285.84 is: 24,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.34 : 100,328.49 = 16,285.84 : x
  2. Step 2: Convert to fraction form
    66,886.34/100,328.49 = 16,285.84/x
  3. Step 3: Cross multiply
    66,886.34x = 100,328.49 × 16,285.84
  4. Step 4: Simplify right side
    66,886.34x = 1,633,933,735.58
  5. Step 5: Solve for x
    x = 1,633,933,735.58/66,886.34
  6. Step 6: Final answer
    x = 24,428.51

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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.