Home / 27,656.76-38,166.48-15,081.24

Finding the Fourth Proportional to 27,656.76, 38,166.48 and 15,081.24

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Solution

The fourth proportional to 27,656.76, 38,166.48 and 15,081.24 is: 20,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.76 : 38,166.48 = 15,081.24 : x
  2. Step 2: Convert to fraction form
    27,656.76/38,166.48 = 15,081.24/x
  3. Step 3: Cross multiply
    27,656.76x = 38,166.48 × 15,081.24
  4. Step 4: Simplify right side
    27,656.76x = 575,597,844.84
  5. Step 5: Solve for x
    x = 575,597,844.84/27,656.76
  6. Step 6: Final answer
    x = 20,812.19

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Half scale
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Double scale
Find fourth proportional to 27,657.76, 38,167.86 and 15,082.24
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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.