Home / 28,754.55-43,135.13-13,952.75

Finding the Fourth Proportional to 28,754.55, 43,135.13 and 13,952.75

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Solution

The fourth proportional to 28,754.55, 43,135.13 and 13,952.75 is: 20,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.55 : 43,135.13 = 13,952.75 : x
  2. Step 2: Convert to fraction form
    28,754.55/43,135.13 = 13,952.75/x
  3. Step 3: Cross multiply
    28,754.55x = 43,135.13 × 13,952.75
  4. Step 4: Simplify right side
    28,754.55x = 601,853,504.31
  5. Step 5: Solve for x
    x = 601,853,504.31/28,754.55
  6. Step 6: Final answer
    x = 20,930.72

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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.