Home / 28,818.88-43,190.64-14,767

Finding the Fourth Proportional to 28,818.88, 43,190.64 and 14,767

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Solution

The fourth proportional to 28,818.88, 43,190.64 and 14,767 is: 22,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.88 : 43,190.64 = 14,767 : x
  2. Step 2: Convert to fraction form
    28,818.88/43,190.64 = 14,767/x
  3. Step 3: Cross multiply
    28,818.88x = 43,190.64 × 14,767
  4. Step 4: Simplify right side
    28,818.88x = 637,796,180.88
  5. Step 5: Solve for x
    x = 637,796,180.88/28,818.88
  6. Step 6: Final answer
    x = 22,131.19

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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.