Home / 21,160.04-31,741.97-5,577.66

Finding the Fourth Proportional to 21,160.04, 31,741.97 and 5,577.66

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Solution

The fourth proportional to 21,160.04, 31,741.97 and 5,577.66 is: 8,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.04 : 31,741.97 = 5,577.66 : x
  2. Step 2: Convert to fraction form
    21,160.04/31,741.97 = 5,577.66/x
  3. Step 3: Cross multiply
    21,160.04x = 31,741.97 × 5,577.66
  4. Step 4: Simplify right side
    21,160.04x = 177,045,930.33
  5. Step 5: Solve for x
    x = 177,045,930.33/21,160.04
  6. Step 6: Final answer
    x = 8,367.00

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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.