Home / 28,351.35-42,553.32-14,321.23

Finding the Fourth Proportional to 28,351.35, 42,553.32 and 14,321.23

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Solution

The fourth proportional to 28,351.35, 42,553.32 and 14,321.23 is: 21,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.35 : 42,553.32 = 14,321.23 : x
  2. Step 2: Convert to fraction form
    28,351.35/42,553.32 = 14,321.23/x
  3. Step 3: Cross multiply
    28,351.35x = 42,553.32 × 14,321.23
  4. Step 4: Simplify right side
    28,351.35x = 609,415,882.98
  5. Step 5: Solve for x
    x = 609,415,882.98/28,351.35
  6. Step 6: Final answer
    x = 21,495.13

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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.