Home / 27,741.96-38,284.06-15,166.72

Finding the Fourth Proportional to 27,741.96, 38,284.06 and 15,166.72

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Solution

The fourth proportional to 27,741.96, 38,284.06 and 15,166.72 is: 20,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,741.96 : 38,284.06 = 15,166.72 : x
  2. Step 2: Convert to fraction form
    27,741.96/38,284.06 = 15,166.72/x
  3. Step 3: Cross multiply
    27,741.96x = 38,284.06 × 15,166.72
  4. Step 4: Simplify right side
    27,741.96x = 580,643,618.48
  5. Step 5: Solve for x
    x = 580,643,618.48/27,741.96
  6. Step 6: Final answer
    x = 20,930.16

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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.