Home / 27,849.68-38,434.99-15,276.86

Finding the Fourth Proportional to 27,849.68, 38,434.99 and 15,276.86

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Solution

The fourth proportional to 27,849.68, 38,434.99 and 15,276.86 is: 21,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.68 : 38,434.99 = 15,276.86 : x
  2. Step 2: Convert to fraction form
    27,849.68/38,434.99 = 15,276.86/x
  3. Step 3: Cross multiply
    27,849.68x = 38,434.99 × 15,276.86
  4. Step 4: Simplify right side
    27,849.68x = 587,165,961.33
  5. Step 5: Solve for x
    x = 587,165,961.33/27,849.68
  6. Step 6: Final answer
    x = 21,083.40

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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.