Home / 28,817.88-43,189.32-14,766

Finding the Fourth Proportional to 28,817.88, 43,189.32 and 14,766

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Solution

The fourth proportional to 28,817.88, 43,189.32 and 14,766 is: 22,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.88 : 43,189.32 = 14,766 : x
  2. Step 2: Convert to fraction form
    28,817.88/43,189.32 = 14,766/x
  3. Step 3: Cross multiply
    28,817.88x = 43,189.32 × 14,766
  4. Step 4: Simplify right side
    28,817.88x = 637,733,499.12
  5. Step 5: Solve for x
    x = 637,733,499.12/28,817.88
  6. Step 6: Final answer
    x = 22,129.79

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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.