Home / 27,722.08-38,256.59-15,146.83

Finding the Fourth Proportional to 27,722.08, 38,256.59 and 15,146.83

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Solution

The fourth proportional to 27,722.08, 38,256.59 and 15,146.83 is: 20,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.08 : 38,256.59 = 15,146.83 : x
  2. Step 2: Convert to fraction form
    27,722.08/38,256.59 = 15,146.83/x
  3. Step 3: Cross multiply
    27,722.08x = 38,256.59 × 15,146.83
  4. Step 4: Simplify right side
    27,722.08x = 579,465,798.09
  5. Step 5: Solve for x
    x = 579,465,798.09/27,722.08
  6. Step 6: Final answer
    x = 20,902.68

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Double scale
Find fourth proportional to 27,723.08, 38,257.97 and 15,147.83
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.