Home / 27,798.54-38,361.99-15,051.72

Finding the Fourth Proportional to 27,798.54, 38,361.99 and 15,051.72

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Solution

The fourth proportional to 27,798.54, 38,361.99 and 15,051.72 is: 20,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.54 : 38,361.99 = 15,051.72 : x
  2. Step 2: Convert to fraction form
    27,798.54/38,361.99 = 15,051.72/x
  3. Step 3: Cross multiply
    27,798.54x = 38,361.99 × 15,051.72
  4. Step 4: Simplify right side
    27,798.54x = 577,413,932.12
  5. Step 5: Solve for x
    x = 577,413,932.12/27,798.54
  6. Step 6: Final answer
    x = 20,771.38

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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.