Home / 21,393.82-32,090.88-6,602.41

Finding the Fourth Proportional to 21,393.82, 32,090.88 and 6,602.41

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Solution

The fourth proportional to 21,393.82, 32,090.88 and 6,602.41 is: 9,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.82 : 32,090.88 = 6,602.41 : x
  2. Step 2: Convert to fraction form
    21,393.82/32,090.88 = 6,602.41/x
  3. Step 3: Cross multiply
    21,393.82x = 32,090.88 × 6,602.41
  4. Step 4: Simplify right side
    21,393.82x = 211,877,211.89
  5. Step 5: Solve for x
    x = 211,877,211.89/21,393.82
  6. Step 6: Final answer
    x = 9,903.66

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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.