Home / 27,987.52-41,877.60-20,597.44

Finding the Fourth Proportional to 27,987.52, 41,877.60 and 20,597.44

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Solution

The fourth proportional to 27,987.52, 41,877.60 and 20,597.44 is: 30,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,987.52 : 41,877.60 = 20,597.44 : x
  2. Step 2: Convert to fraction form
    27,987.52/41,877.60 = 20,597.44/x
  3. Step 3: Cross multiply
    27,987.52x = 41,877.60 × 20,597.44
  4. Step 4: Simplify right side
    27,987.52x = 862,571,353.34
  5. Step 5: Solve for x
    x = 862,571,353.34/27,987.52
  6. Step 6: Final answer
    x = 30,819.86

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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.