Home / 21,982.54-32,973.80-6,401.38

Finding the Fourth Proportional to 21,982.54, 32,973.80 and 6,401.38

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Solution

The fourth proportional to 21,982.54, 32,973.80 and 6,401.38 is: 9,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.54 : 32,973.80 = 6,401.38 : x
  2. Step 2: Convert to fraction form
    21,982.54/32,973.80 = 6,401.38/x
  3. Step 3: Cross multiply
    21,982.54x = 32,973.80 × 6,401.38
  4. Step 4: Simplify right side
    21,982.54x = 211,077,823.84
  5. Step 5: Solve for x
    x = 211,077,823.84/21,982.54
  6. Step 6: Final answer
    x = 9,602.07

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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.