Home / 21,582.79-32,353.42-11,057.79

Finding the Fourth Proportional to 21,582.79, 32,353.42 and 11,057.79

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Solution

The fourth proportional to 21,582.79, 32,353.42 and 11,057.79 is: 16,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.79 : 32,353.42 = 11,057.79 : x
  2. Step 2: Convert to fraction form
    21,582.79/32,353.42 = 11,057.79/x
  3. Step 3: Cross multiply
    21,582.79x = 32,353.42 × 11,057.79
  4. Step 4: Simplify right side
    21,582.79x = 357,757,324.14
  5. Step 5: Solve for x
    x = 357,757,324.14/21,582.79
  6. Step 6: Final answer
    x = 16,576.05

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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.