Home / 27,750.57-38,295.78-15,175.32

Finding the Fourth Proportional to 27,750.57, 38,295.78 and 15,175.32

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Solution

The fourth proportional to 27,750.57, 38,295.78 and 15,175.32 is: 20,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.57 : 38,295.78 = 15,175.32 : x
  2. Step 2: Convert to fraction form
    27,750.57/38,295.78 = 15,175.32/x
  3. Step 3: Cross multiply
    27,750.57x = 38,295.78 × 15,175.32
  4. Step 4: Simplify right side
    27,750.57x = 581,150,716.15
  5. Step 5: Solve for x
    x = 581,150,716.15/27,750.57
  6. Step 6: Final answer
    x = 20,941.94

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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.