Home / 17,531.82-26,231.85-10,485.90

Finding the Fourth Proportional to 17,531.82, 26,231.85 and 10,485.90

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Solution

The fourth proportional to 17,531.82, 26,231.85 and 10,485.90 is: 15,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,531.82 : 26,231.85 = 10,485.90 : x
  2. Step 2: Convert to fraction form
    17,531.82/26,231.85 = 10,485.90/x
  3. Step 3: Cross multiply
    17,531.82x = 26,231.85 × 10,485.90
  4. Step 4: Simplify right side
    17,531.82x = 275,064,555.92
  5. Step 5: Solve for x
    x = 275,064,555.92/17,531.82
  6. Step 6: Final answer
    x = 15,689.45

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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.