Home / 28,932.72-39,930.12-17,603.03

Finding the Fourth Proportional to 28,932.72, 39,930.12 and 17,603.03

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Solution

The fourth proportional to 28,932.72, 39,930.12 and 17,603.03 is: 24,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.72 : 39,930.12 = 17,603.03 : x
  2. Step 2: Convert to fraction form
    28,932.72/39,930.12 = 17,603.03/x
  3. Step 3: Cross multiply
    28,932.72x = 39,930.12 × 17,603.03
  4. Step 4: Simplify right side
    28,932.72x = 702,890,900.61
  5. Step 5: Solve for x
    x = 702,890,900.61/28,932.72
  6. Step 6: Final answer
    x = 24,293.98

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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.