Home / 28,770.38-43,181.28-14,739.96

Finding the Fourth Proportional to 28,770.38, 43,181.28 and 14,739.96

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Solution

The fourth proportional to 28,770.38, 43,181.28 and 14,739.96 is: 22,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.38 : 43,181.28 = 14,739.96 : x
  2. Step 2: Convert to fraction form
    28,770.38/43,181.28 = 14,739.96/x
  3. Step 3: Cross multiply
    28,770.38x = 43,181.28 × 14,739.96
  4. Step 4: Simplify right side
    28,770.38x = 636,490,339.95
  5. Step 5: Solve for x
    x = 636,490,339.95/28,770.38
  6. Step 6: Final answer
    x = 22,123.11

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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.