Home / 42,072.85-63,092.87-15,763.24

Finding the Fourth Proportional to 42,072.85, 63,092.87 and 15,763.24

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Solution

The fourth proportional to 42,072.85, 63,092.87 and 15,763.24 is: 23,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,072.85 : 63,092.87 = 15,763.24 : x
  2. Step 2: Convert to fraction form
    42,072.85/63,092.87 = 15,763.24/x
  3. Step 3: Cross multiply
    42,072.85x = 63,092.87 × 15,763.24
  4. Step 4: Simplify right side
    42,072.85x = 994,548,111.26
  5. Step 5: Solve for x
    x = 994,548,111.26/42,072.85
  6. Step 6: Final answer
    x = 23,638.71

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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.