Home / 27,215.72-40,785.58-14,708.78

Finding the Fourth Proportional to 27,215.72, 40,785.58 and 14,708.78

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Solution

The fourth proportional to 27,215.72, 40,785.58 and 14,708.78 is: 22,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.72 : 40,785.58 = 14,708.78 : x
  2. Step 2: Convert to fraction form
    27,215.72/40,785.58 = 14,708.78/x
  3. Step 3: Cross multiply
    27,215.72x = 40,785.58 × 14,708.78
  4. Step 4: Simplify right side
    27,215.72x = 599,906,123.39
  5. Step 5: Solve for x
    x = 599,906,123.39/27,215.72
  6. Step 6: Final answer
    x = 22,042.63

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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.