Home / 28,081.54-42,085.96-11,422.22

Finding the Fourth Proportional to 28,081.54, 42,085.96 and 11,422.22

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Solution

The fourth proportional to 28,081.54, 42,085.96 and 11,422.22 is: 17,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.54 : 42,085.96 = 11,422.22 : x
  2. Step 2: Convert to fraction form
    28,081.54/42,085.96 = 11,422.22/x
  3. Step 3: Cross multiply
    28,081.54x = 42,085.96 × 11,422.22
  4. Step 4: Simplify right side
    28,081.54x = 480,715,094.03
  5. Step 5: Solve for x
    x = 480,715,094.03/28,081.54
  6. Step 6: Final answer
    x = 17,118.54

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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.