Home / 21,632.57-32,448.85-9,149.36

Finding the Fourth Proportional to 21,632.57, 32,448.85 and 9,149.36

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Solution

The fourth proportional to 21,632.57, 32,448.85 and 9,149.36 is: 13,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.57 : 32,448.85 = 9,149.36 : x
  2. Step 2: Convert to fraction form
    21,632.57/32,448.85 = 9,149.36/x
  3. Step 3: Cross multiply
    21,632.57x = 32,448.85 × 9,149.36
  4. Step 4: Simplify right side
    21,632.57x = 296,886,076.58
  5. Step 5: Solve for x
    x = 296,886,076.58/21,632.57
  6. Step 6: Final answer
    x = 13,724.03

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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.