Home / 27,823.08-41,644.28-20,425.88

Finding the Fourth Proportional to 27,823.08, 41,644.28 and 20,425.88

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Solution

The fourth proportional to 27,823.08, 41,644.28 and 20,425.88 is: 30,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.08 : 41,644.28 = 20,425.88 : x
  2. Step 2: Convert to fraction form
    27,823.08/41,644.28 = 20,425.88/x
  3. Step 3: Cross multiply
    27,823.08x = 41,644.28 × 20,425.88
  4. Step 4: Simplify right side
    27,823.08x = 850,621,065.97
  5. Step 5: Solve for x
    x = 850,621,065.97/27,823.08
  6. Step 6: Final answer
    x = 30,572.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.