Home / 21,346.28-32,024.16-6,556.48

Finding the Fourth Proportional to 21,346.28, 32,024.16 and 6,556.48

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Solution

The fourth proportional to 21,346.28, 32,024.16 and 6,556.48 is: 9,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.28 : 32,024.16 = 6,556.48 : x
  2. Step 2: Convert to fraction form
    21,346.28/32,024.16 = 6,556.48/x
  3. Step 3: Cross multiply
    21,346.28x = 32,024.16 × 6,556.48
  4. Step 4: Simplify right side
    21,346.28x = 209,965,764.56
  5. Step 5: Solve for x
    x = 209,965,764.56/21,346.28
  6. Step 6: Final answer
    x = 9,836.18

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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.