Home / 22,888.58-34,161.27-21,393.90

Finding the Fourth Proportional to 22,888.58, 34,161.27 and 21,393.90

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Solution

The fourth proportional to 22,888.58, 34,161.27 and 21,393.90 is: 31,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.58 : 34,161.27 = 21,393.90 : x
  2. Step 2: Convert to fraction form
    22,888.58/34,161.27 = 21,393.90/x
  3. Step 3: Cross multiply
    22,888.58x = 34,161.27 × 21,393.90
  4. Step 4: Simplify right side
    22,888.58x = 730,842,794.25
  5. Step 5: Solve for x
    x = 730,842,794.25/22,888.58
  6. Step 6: Final answer
    x = 31,930.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.