Home / 27,588.60-41,383.08-18,801.72

Finding the Fourth Proportional to 27,588.60, 41,383.08 and 18,801.72

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Solution

The fourth proportional to 27,588.60, 41,383.08 and 18,801.72 is: 28,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.60 : 41,383.08 = 18,801.72 : x
  2. Step 2: Convert to fraction form
    27,588.60/41,383.08 = 18,801.72/x
  3. Step 3: Cross multiply
    27,588.60x = 41,383.08 × 18,801.72
  4. Step 4: Simplify right side
    27,588.60x = 778,073,082.90
  5. Step 5: Solve for x
    x = 778,073,082.90/27,588.60
  6. Step 6: Final answer
    x = 28,202.70

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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.