Home / 28,540.56-39,385.92-17,362.56

Finding the Fourth Proportional to 28,540.56, 39,385.92 and 17,362.56

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Solution

The fourth proportional to 28,540.56, 39,385.92 and 17,362.56 is: 23,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.56 : 39,385.92 = 17,362.56 : x
  2. Step 2: Convert to fraction form
    28,540.56/39,385.92 = 17,362.56/x
  3. Step 3: Cross multiply
    28,540.56x = 39,385.92 × 17,362.56
  4. Step 4: Simplify right side
    28,540.56x = 683,840,399.16
  5. Step 5: Solve for x
    x = 683,840,399.16/28,540.56
  6. Step 6: Final answer
    x = 23,960.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.