Home / 27,798.25-38,361.12-15,051.33

Finding the Fourth Proportional to 27,798.25, 38,361.12 and 15,051.33

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Solution

The fourth proportional to 27,798.25, 38,361.12 and 15,051.33 is: 20,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.25 : 38,361.12 = 15,051.33 : x
  2. Step 2: Convert to fraction form
    27,798.25/38,361.12 = 15,051.33/x
  3. Step 3: Cross multiply
    27,798.25x = 38,361.12 × 15,051.33
  4. Step 4: Simplify right side
    27,798.25x = 577,385,876.29
  5. Step 5: Solve for x
    x = 577,385,876.29/27,798.25
  6. Step 6: Final answer
    x = 20,770.58

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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.