Home / 28,379.87-42,596.06-14,349.86

Finding the Fourth Proportional to 28,379.87, 42,596.06 and 14,349.86

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Solution

The fourth proportional to 28,379.87, 42,596.06 and 14,349.86 is: 21,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,379.87 : 42,596.06 = 14,349.86 : x
  2. Step 2: Convert to fraction form
    28,379.87/42,596.06 = 14,349.86/x
  3. Step 3: Cross multiply
    28,379.87x = 42,596.06 × 14,349.86
  4. Step 4: Simplify right side
    28,379.87x = 611,247,212.82
  5. Step 5: Solve for x
    x = 611,247,212.82/28,379.87
  6. Step 6: Final answer
    x = 21,538.06

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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.