Home / 15,283.25-22,928.31-5,422.51

Finding the Fourth Proportional to 15,283.25, 22,928.31 and 5,422.51

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Solution

The fourth proportional to 15,283.25, 22,928.31 and 5,422.51 is: 8,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.25 : 22,928.31 = 5,422.51 : x
  2. Step 2: Convert to fraction form
    15,283.25/22,928.31 = 5,422.51/x
  3. Step 3: Cross multiply
    15,283.25x = 22,928.31 × 5,422.51
  4. Step 4: Simplify right side
    15,283.25x = 124,328,932.94
  5. Step 5: Solve for x
    x = 124,328,932.94/15,283.25
  6. Step 6: Final answer
    x = 8,134.98

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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.