Home / 27,774.24-38,327.50-15,841.42

Finding the Fourth Proportional to 27,774.24, 38,327.50 and 15,841.42

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Solution

The fourth proportional to 27,774.24, 38,327.50 and 15,841.42 is: 21,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.24 : 38,327.50 = 15,841.42 : x
  2. Step 2: Convert to fraction form
    27,774.24/38,327.50 = 15,841.42/x
  3. Step 3: Cross multiply
    27,774.24x = 38,327.50 × 15,841.42
  4. Step 4: Simplify right side
    27,774.24x = 607,162,025.05
  5. Step 5: Solve for x
    x = 607,162,025.05/27,774.24
  6. Step 6: Final answer
    x = 21,860.62

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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.