Home / 28,394.22-42,593.39-11,519.13

Finding the Fourth Proportional to 28,394.22, 42,593.39 and 11,519.13

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Solution

The fourth proportional to 28,394.22, 42,593.39 and 11,519.13 is: 17,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.22 : 42,593.39 = 11,519.13 : x
  2. Step 2: Convert to fraction form
    28,394.22/42,593.39 = 11,519.13/x
  3. Step 3: Cross multiply
    28,394.22x = 42,593.39 × 11,519.13
  4. Step 4: Simplify right side
    28,394.22x = 490,638,796.55
  5. Step 5: Solve for x
    x = 490,638,796.55/28,394.22
  6. Step 6: Final answer
    x = 17,279.53

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1.5x scale

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.