Home / 27,742.16-38,284.22-15,166.92

Finding the Fourth Proportional to 27,742.16, 38,284.22 and 15,166.92

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Solution

The fourth proportional to 27,742.16, 38,284.22 and 15,166.92 is: 20,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.16 : 38,284.22 = 15,166.92 : x
  2. Step 2: Convert to fraction form
    27,742.16/38,284.22 = 15,166.92/x
  3. Step 3: Cross multiply
    27,742.16x = 38,284.22 × 15,166.92
  4. Step 4: Simplify right side
    27,742.16x = 580,653,702.00
  5. Step 5: Solve for x
    x = 580,653,702.00/27,742.16
  6. Step 6: Final answer
    x = 20,930.37

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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.