Home / 27,579.60-41,369.40-20,235.60

Finding the Fourth Proportional to 27,579.60, 41,369.40 and 20,235.60

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Solution

The fourth proportional to 27,579.60, 41,369.40 and 20,235.60 is: 30,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.60 : 41,369.40 = 20,235.60 : x
  2. Step 2: Convert to fraction form
    27,579.60/41,369.40 = 20,235.60/x
  3. Step 3: Cross multiply
    27,579.60x = 41,369.40 × 20,235.60
  4. Step 4: Simplify right side
    27,579.60x = 837,134,630.64
  5. Step 5: Solve for x
    x = 837,134,630.64/27,579.60
  6. Step 6: Final answer
    x = 30,353.40

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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.