Home / 27,636.38-38,138.21-15,061.13

Finding the Fourth Proportional to 27,636.38, 38,138.21 and 15,061.13

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Solution

The fourth proportional to 27,636.38, 38,138.21 and 15,061.13 is: 20,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.38 : 38,138.21 = 15,061.13 : x
  2. Step 2: Convert to fraction form
    27,636.38/38,138.21 = 15,061.13/x
  3. Step 3: Cross multiply
    27,636.38x = 38,138.21 × 15,061.13
  4. Step 4: Simplify right side
    27,636.38x = 574,404,538.78
  5. Step 5: Solve for x
    x = 574,404,538.78/27,636.38
  6. Step 6: Final answer
    x = 20,784.36

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Half scale
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Double scale
Find fourth proportional to 27,637.38, 38,139.59 and 15,062.13
Similar ratio
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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.