Home / 28,573.88-42,687.04-18,496.52

Finding the Fourth Proportional to 28,573.88, 42,687.04 and 18,496.52

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Solution

The fourth proportional to 28,573.88, 42,687.04 and 18,496.52 is: 27,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.88 : 42,687.04 = 18,496.52 : x
  2. Step 2: Convert to fraction form
    28,573.88/42,687.04 = 18,496.52/x
  3. Step 3: Cross multiply
    28,573.88x = 42,687.04 × 18,496.52
  4. Step 4: Simplify right side
    28,573.88x = 789,561,689.10
  5. Step 5: Solve for x
    x = 789,561,689.10/28,573.88
  6. Step 6: Final answer
    x = 27,632.29

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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.