Home / 21,448.46-32,161.72-8,965.08

Finding the Fourth Proportional to 21,448.46, 32,161.72 and 8,965.08

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Solution

The fourth proportional to 21,448.46, 32,161.72 and 8,965.08 is: 13,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.46 : 32,161.72 = 8,965.08 : x
  2. Step 2: Convert to fraction form
    21,448.46/32,161.72 = 8,965.08/x
  3. Step 3: Cross multiply
    21,448.46x = 32,161.72 × 8,965.08
  4. Step 4: Simplify right side
    21,448.46x = 288,332,301.13
  5. Step 5: Solve for x
    x = 288,332,301.13/21,448.46
  6. Step 6: Final answer
    x = 13,443.03

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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.