Home / 21,929.43-32,899.05-10,236.27

Finding the Fourth Proportional to 21,929.43, 32,899.05 and 10,236.27

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Solution

The fourth proportional to 21,929.43, 32,899.05 and 10,236.27 is: 15,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929.43 : 32,899.05 = 10,236.27 : x
  2. Step 2: Convert to fraction form
    21,929.43/32,899.05 = 10,236.27/x
  3. Step 3: Cross multiply
    21,929.43x = 32,899.05 × 10,236.27
  4. Step 4: Simplify right side
    21,929.43x = 336,763,558.54
  5. Step 5: Solve for x
    x = 336,763,558.54/21,929.43
  6. Step 6: Final answer
    x = 15,356.69

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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.