Home / 28,230.04-42,356.94-14,203

Finding the Fourth Proportional to 28,230.04, 42,356.94 and 14,203

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Solution

The fourth proportional to 28,230.04, 42,356.94 and 14,203 is: 21,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.04 : 42,356.94 = 14,203 : x
  2. Step 2: Convert to fraction form
    28,230.04/42,356.94 = 14,203/x
  3. Step 3: Cross multiply
    28,230.04x = 42,356.94 × 14,203
  4. Step 4: Simplify right side
    28,230.04x = 601,595,618.82
  5. Step 5: Solve for x
    x = 601,595,618.82/28,230.04
  6. Step 6: Final answer
    x = 21,310.48

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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.