Home / 22,675.88-31,290.54-21,004.04

Finding the Fourth Proportional to 22,675.88, 31,290.54 and 21,004.04

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Solution

The fourth proportional to 22,675.88, 31,290.54 and 21,004.04 is: 28,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.88 : 31,290.54 = 21,004.04 : x
  2. Step 2: Convert to fraction form
    22,675.88/31,290.54 = 21,004.04/x
  3. Step 3: Cross multiply
    22,675.88x = 31,290.54 × 21,004.04
  4. Step 4: Simplify right side
    22,675.88x = 657,227,597.33
  5. Step 5: Solve for x
    x = 657,227,597.33/22,675.88
  6. Step 6: Final answer
    x = 28,983.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.