Home / 28,338.03-42,448.73-16,623

Finding the Fourth Proportional to 28,338.03, 42,448.73 and 16,623

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Solution

The fourth proportional to 28,338.03, 42,448.73 and 16,623 is: 24,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.03 : 42,448.73 = 16,623 : x
  2. Step 2: Convert to fraction form
    28,338.03/42,448.73 = 16,623/x
  3. Step 3: Cross multiply
    28,338.03x = 42,448.73 × 16,623
  4. Step 4: Simplify right side
    28,338.03x = 705,625,155.68
  5. Step 5: Solve for x
    x = 705,625,155.68/28,338.03
  6. Step 6: Final answer
    x = 24,900.29

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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.