Home / 27,841.75-38,421.62-15,266.50

Finding the Fourth Proportional to 27,841.75, 38,421.62 and 15,266.50

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Solution

The fourth proportional to 27,841.75, 38,421.62 and 15,266.50 is: 21,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.75 : 38,421.62 = 15,266.50 : x
  2. Step 2: Convert to fraction form
    27,841.75/38,421.62 = 15,266.50/x
  3. Step 3: Cross multiply
    27,841.75x = 38,421.62 × 15,266.50
  4. Step 4: Simplify right side
    27,841.75x = 586,563,661.73
  5. Step 5: Solve for x
    x = 586,563,661.73/27,841.75
  6. Step 6: Final answer
    x = 21,067.77

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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.