Home / 28,738.98-43,108.38-9,017.46

Finding the Fourth Proportional to 28,738.98, 43,108.38 and 9,017.46

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Solution

The fourth proportional to 28,738.98, 43,108.38 and 9,017.46 is: 13,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.98 : 43,108.38 = 9,017.46 : x
  2. Step 2: Convert to fraction form
    28,738.98/43,108.38 = 9,017.46/x
  3. Step 3: Cross multiply
    28,738.98x = 43,108.38 × 9,017.46
  4. Step 4: Simplify right side
    28,738.98x = 388,728,092.31
  5. Step 5: Solve for x
    x = 388,728,092.31/28,738.98
  6. Step 6: Final answer
    x = 13,526.16

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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.