Home / 27,828.22-41,740.71-9,120.46

Finding the Fourth Proportional to 27,828.22, 41,740.71 and 9,120.46

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Solution

The fourth proportional to 27,828.22, 41,740.71 and 9,120.46 is: 13,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.22 : 41,740.71 = 9,120.46 : x
  2. Step 2: Convert to fraction form
    27,828.22/41,740.71 = 9,120.46/x
  3. Step 3: Cross multiply
    27,828.22x = 41,740.71 × 9,120.46
  4. Step 4: Simplify right side
    27,828.22x = 380,694,475.93
  5. Step 5: Solve for x
    x = 380,694,475.93/27,828.22
  6. Step 6: Final answer
    x = 13,680.16

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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.