Home / 21,515.44-32,279.24-19,459.12

Finding the Fourth Proportional to 21,515.44, 32,279.24 and 19,459.12

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Solution

The fourth proportional to 21,515.44, 32,279.24 and 19,459.12 is: 29,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,515.44 : 32,279.24 = 19,459.12 : x
  2. Step 2: Convert to fraction form
    21,515.44/32,279.24 = 19,459.12/x
  3. Step 3: Cross multiply
    21,515.44x = 32,279.24 × 19,459.12
  4. Step 4: Simplify right side
    21,515.44x = 628,125,604.67
  5. Step 5: Solve for x
    x = 628,125,604.67/21,515.44
  6. Step 6: Final answer
    x = 29,194.18

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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.