Home / 27,910.76-38,516.84-15,336.32

Finding the Fourth Proportional to 27,910.76, 38,516.84 and 15,336.32

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Solution

The fourth proportional to 27,910.76, 38,516.84 and 15,336.32 is: 21,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.76 : 38,516.84 = 15,336.32 : x
  2. Step 2: Convert to fraction form
    27,910.76/38,516.84 = 15,336.32/x
  3. Step 3: Cross multiply
    27,910.76x = 38,516.84 × 15,336.32
  4. Step 4: Simplify right side
    27,910.76x = 590,706,583.63
  5. Step 5: Solve for x
    x = 590,706,583.63/27,910.76
  6. Step 6: Final answer
    x = 21,164.12

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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.