Home / 28,548.41-42,871.61-17,519.85

Finding the Fourth Proportional to 28,548.41, 42,871.61 and 17,519.85

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Solution

The fourth proportional to 28,548.41, 42,871.61 and 17,519.85 is: 26,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.41 : 42,871.61 = 17,519.85 : x
  2. Step 2: Convert to fraction form
    28,548.41/42,871.61 = 17,519.85/x
  3. Step 3: Cross multiply
    28,548.41x = 42,871.61 × 17,519.85
  4. Step 4: Simplify right side
    28,548.41x = 751,104,220.26
  5. Step 5: Solve for x
    x = 751,104,220.26/28,548.41
  6. Step 6: Final answer
    x = 26,309.85

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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.