Home / 27,926.46-38,538.91-15,179.64

Finding the Fourth Proportional to 27,926.46, 38,538.91 and 15,179.64

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Solution

The fourth proportional to 27,926.46, 38,538.91 and 15,179.64 is: 20,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.46 : 38,538.91 = 15,179.64 : x
  2. Step 2: Convert to fraction form
    27,926.46/38,538.91 = 15,179.64/x
  3. Step 3: Cross multiply
    27,926.46x = 38,538.91 × 15,179.64
  4. Step 4: Simplify right side
    27,926.46x = 585,006,779.79
  5. Step 5: Solve for x
    x = 585,006,779.79/27,926.46
  6. Step 6: Final answer
    x = 20,948.12

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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.