Home / 28,236.85-42,346.62-9,511.86

Finding the Fourth Proportional to 28,236.85, 42,346.62 and 9,511.86

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Solution

The fourth proportional to 28,236.85, 42,346.62 and 9,511.86 is: 14,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.85 : 42,346.62 = 9,511.86 : x
  2. Step 2: Convert to fraction form
    28,236.85/42,346.62 = 9,511.86/x
  3. Step 3: Cross multiply
    28,236.85x = 42,346.62 × 9,511.86
  4. Step 4: Simplify right side
    28,236.85x = 402,795,120.91
  5. Step 5: Solve for x
    x = 402,795,120.91/28,236.85
  6. Step 6: Final answer
    x = 14,264.88

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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.