Home / 28,754.57-43,131.45-9,034.31

Finding the Fourth Proportional to 28,754.57, 43,131.45 and 9,034.31

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Solution

The fourth proportional to 28,754.57, 43,131.45 and 9,034.31 is: 13,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.57 : 43,131.45 = 9,034.31 : x
  2. Step 2: Convert to fraction form
    28,754.57/43,131.45 = 9,034.31/x
  3. Step 3: Cross multiply
    28,754.57x = 43,131.45 × 9,034.31
  4. Step 4: Simplify right side
    28,754.57x = 389,662,890.05
  5. Step 5: Solve for x
    x = 389,662,890.05/28,754.57
  6. Step 6: Final answer
    x = 13,551.34

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1.5x scale

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.