Home / 27,652.38-38,160.22-15,077.12

Finding the Fourth Proportional to 27,652.38, 38,160.22 and 15,077.12

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Solution

The fourth proportional to 27,652.38, 38,160.22 and 15,077.12 is: 20,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.38 : 38,160.22 = 15,077.12 : x
  2. Step 2: Convert to fraction form
    27,652.38/38,160.22 = 15,077.12/x
  3. Step 3: Cross multiply
    27,652.38x = 38,160.22 × 15,077.12
  4. Step 4: Simplify right side
    27,652.38x = 575,346,216.17
  5. Step 5: Solve for x
    x = 575,346,216.17/27,652.38
  6. Step 6: Final answer
    x = 20,806.39

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Half scale
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Double scale
Find fourth proportional to 27,653.38, 38,161.60 and 15,078.12
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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.