Home / 27,256.17-40,798.59-18,772.89

Finding the Fourth Proportional to 27,256.17, 40,798.59 and 18,772.89

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Solution

The fourth proportional to 27,256.17, 40,798.59 and 18,772.89 is: 28,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.17 : 40,798.59 = 18,772.89 : x
  2. Step 2: Convert to fraction form
    27,256.17/40,798.59 = 18,772.89/x
  3. Step 3: Cross multiply
    27,256.17x = 40,798.59 × 18,772.89
  4. Step 4: Simplify right side
    27,256.17x = 765,907,442.23
  5. Step 5: Solve for x
    x = 765,907,442.23/27,256.17
  6. Step 6: Final answer
    x = 28,100.33

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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.