Home / 27,751.77-38,297.75-15,176.25

Finding the Fourth Proportional to 27,751.77, 38,297.75 and 15,176.25

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Solution

The fourth proportional to 27,751.77, 38,297.75 and 15,176.25 is: 20,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,751.77 : 38,297.75 = 15,176.25 : x
  2. Step 2: Convert to fraction form
    27,751.77/38,297.75 = 15,176.25/x
  3. Step 3: Cross multiply
    27,751.77x = 38,297.75 × 15,176.25
  4. Step 4: Simplify right side
    27,751.77x = 581,216,152.56
  5. Step 5: Solve for x
    x = 581,216,152.56/27,751.77
  6. Step 6: Final answer
    x = 20,943.39

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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.