Home / 21,769.08-32,655.90-9,290.43

Finding the Fourth Proportional to 21,769.08, 32,655.90 and 9,290.43

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Solution

The fourth proportional to 21,769.08, 32,655.90 and 9,290.43 is: 13,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.08 : 32,655.90 = 9,290.43 : x
  2. Step 2: Convert to fraction form
    21,769.08/32,655.90 = 9,290.43/x
  3. Step 3: Cross multiply
    21,769.08x = 32,655.90 × 9,290.43
  4. Step 4: Simplify right side
    21,769.08x = 303,387,353.04
  5. Step 5: Solve for x
    x = 303,387,353.04/21,769.08
  6. Step 6: Final answer
    x = 13,936.62

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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.