Home / 27,891.18-38,524.14-20,849.04

Finding the Fourth Proportional to 27,891.18, 38,524.14 and 20,849.04

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Solution

The fourth proportional to 27,891.18, 38,524.14 and 20,849.04 is: 28,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891.18 : 38,524.14 = 20,849.04 : x
  2. Step 2: Convert to fraction form
    27,891.18/38,524.14 = 20,849.04/x
  3. Step 3: Cross multiply
    27,891.18x = 38,524.14 × 20,849.04
  4. Step 4: Simplify right side
    27,891.18x = 803,191,335.83
  5. Step 5: Solve for x
    x = 803,191,335.83/27,891.18
  6. Step 6: Final answer
    x = 28,797.32

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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.