Home / 28,092.42-42,138.36-11,448.54

Finding the Fourth Proportional to 28,092.42, 42,138.36 and 11,448.54

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Solution

The fourth proportional to 28,092.42, 42,138.36 and 11,448.54 is: 17,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.42 : 42,138.36 = 11,448.54 : x
  2. Step 2: Convert to fraction form
    28,092.42/42,138.36 = 11,448.54/x
  3. Step 3: Cross multiply
    28,092.42x = 42,138.36 × 11,448.54
  4. Step 4: Simplify right side
    28,092.42x = 482,422,699.99
  5. Step 5: Solve for x
    x = 482,422,699.99/28,092.42
  6. Step 6: Final answer
    x = 17,172.70

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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.