Home / 21,784.98-32,697.51-13,481.22

Finding the Fourth Proportional to 21,784.98, 32,697.51 and 13,481.22

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Solution

The fourth proportional to 21,784.98, 32,697.51 and 13,481.22 is: 20,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,784.98 : 32,697.51 = 13,481.22 : x
  2. Step 2: Convert to fraction form
    21,784.98/32,697.51 = 13,481.22/x
  3. Step 3: Cross multiply
    21,784.98x = 32,697.51 × 13,481.22
  4. Step 4: Simplify right side
    21,784.98x = 440,802,325.76
  5. Step 5: Solve for x
    x = 440,802,325.76/21,784.98
  6. Step 6: Final answer
    x = 20,234.23

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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.