Home / 28,519.14-42,764.45-8,795.15

Finding the Fourth Proportional to 28,519.14, 42,764.45 and 8,795.15

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Solution

The fourth proportional to 28,519.14, 42,764.45 and 8,795.15 is: 13,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.14 : 42,764.45 = 8,795.15 : x
  2. Step 2: Convert to fraction form
    28,519.14/42,764.45 = 8,795.15/x
  3. Step 3: Cross multiply
    28,519.14x = 42,764.45 × 8,795.15
  4. Step 4: Simplify right side
    28,519.14x = 376,119,494.62
  5. Step 5: Solve for x
    x = 376,119,494.62/28,519.14
  6. Step 6: Final answer
    x = 13,188.32

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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.