Home / 27,738.16-38,278.68-15,162.92

Finding the Fourth Proportional to 27,738.16, 38,278.68 and 15,162.92

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Solution

The fourth proportional to 27,738.16, 38,278.68 and 15,162.92 is: 20,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.16 : 38,278.68 = 15,162.92 : x
  2. Step 2: Convert to fraction form
    27,738.16/38,278.68 = 15,162.92/x
  3. Step 3: Cross multiply
    27,738.16x = 38,278.68 × 15,162.92
  4. Step 4: Simplify right side
    27,738.16x = 580,416,562.55
  5. Step 5: Solve for x
    x = 580,416,562.55/27,738.16
  6. Step 6: Final answer
    x = 20,924.84

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Double scale
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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.