Home / 28,058.68-42,090.26-9,338.04

Finding the Fourth Proportional to 28,058.68, 42,090.26 and 9,338.04

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Solution

The fourth proportional to 28,058.68, 42,090.26 and 9,338.04 is: 14,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.68 : 42,090.26 = 9,338.04 : x
  2. Step 2: Convert to fraction form
    28,058.68/42,090.26 = 9,338.04/x
  3. Step 3: Cross multiply
    28,058.68x = 42,090.26 × 9,338.04
  4. Step 4: Simplify right side
    28,058.68x = 393,040,531.49
  5. Step 5: Solve for x
    x = 393,040,531.49/28,058.68
  6. Step 6: Final answer
    x = 14,007.81

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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.