Home / 27,986.08-38,619.28-16,049.92

Finding the Fourth Proportional to 27,986.08, 38,619.28 and 16,049.92

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Solution

The fourth proportional to 27,986.08, 38,619.28 and 16,049.92 is: 22,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.08 : 38,619.28 = 16,049.92 : x
  2. Step 2: Convert to fraction form
    27,986.08/38,619.28 = 16,049.92/x
  3. Step 3: Cross multiply
    27,986.08x = 38,619.28 × 16,049.92
  4. Step 4: Simplify right side
    27,986.08x = 619,836,354.46
  5. Step 5: Solve for x
    x = 619,836,354.46/27,986.08
  6. Step 6: Final answer
    x = 22,148.02

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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.