Home / 27,450.72-41,165.28-9,680.40

Finding the Fourth Proportional to 27,450.72, 41,165.28 and 9,680.40

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Solution

The fourth proportional to 27,450.72, 41,165.28 and 9,680.40 is: 14,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450.72 : 41,165.28 = 9,680.40 : x
  2. Step 2: Convert to fraction form
    27,450.72/41,165.28 = 9,680.40/x
  3. Step 3: Cross multiply
    27,450.72x = 41,165.28 × 9,680.40
  4. Step 4: Simplify right side
    27,450.72x = 398,496,376.51
  5. Step 5: Solve for x
    x = 398,496,376.51/27,450.72
  6. Step 6: Final answer
    x = 14,516.79

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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.