Home / 27,843.08-38,425.20-15,267.83

Finding the Fourth Proportional to 27,843.08, 38,425.20 and 15,267.83

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Solution

The fourth proportional to 27,843.08, 38,425.20 and 15,267.83 is: 21,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.08 : 38,425.20 = 15,267.83 : x
  2. Step 2: Convert to fraction form
    27,843.08/38,425.20 = 15,267.83/x
  3. Step 3: Cross multiply
    27,843.08x = 38,425.20 × 15,267.83
  4. Step 4: Simplify right side
    27,843.08x = 586,669,421.32
  5. Step 5: Solve for x
    x = 586,669,421.32/27,843.08
  6. Step 6: Final answer
    x = 21,070.56

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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.