Home / 27,120.29-37,427.39-15,182.92

Finding the Fourth Proportional to 27,120.29, 37,427.39 and 15,182.92

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Solution

The fourth proportional to 27,120.29, 37,427.39 and 15,182.92 is: 20,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120.29 : 37,427.39 = 15,182.92 : x
  2. Step 2: Convert to fraction form
    27,120.29/37,427.39 = 15,182.92/x
  3. Step 3: Cross multiply
    27,120.29x = 37,427.39 × 15,182.92
  4. Step 4: Simplify right side
    27,120.29x = 568,257,012.57
  5. Step 5: Solve for x
    x = 568,257,012.57/27,120.29
  6. Step 6: Final answer
    x = 20,953.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 27,121.29, 37,428.77 and 15,183.92
Similar ratio
Find fourth proportional to 40,680.44, 56,141.09 and 22,774.38
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.