Home / 21,380.52-32,041.62-13,063.44

Finding the Fourth Proportional to 21,380.52, 32,041.62 and 13,063.44

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Solution

The fourth proportional to 21,380.52, 32,041.62 and 13,063.44 is: 19,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380.52 : 32,041.62 = 13,063.44 : x
  2. Step 2: Convert to fraction form
    21,380.52/32,041.62 = 13,063.44/x
  3. Step 3: Cross multiply
    21,380.52x = 32,041.62 × 13,063.44
  4. Step 4: Simplify right side
    21,380.52x = 418,573,780.37
  5. Step 5: Solve for x
    x = 418,573,780.37/21,380.52
  6. Step 6: Final answer
    x = 19,577.34

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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.