Home / 27,190.08-40,781.52-12,383.04

Finding the Fourth Proportional to 27,190.08, 40,781.52 and 12,383.04

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Solution

The fourth proportional to 27,190.08, 40,781.52 and 12,383.04 is: 18,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.08 : 40,781.52 = 12,383.04 : x
  2. Step 2: Convert to fraction form
    27,190.08/40,781.52 = 12,383.04/x
  3. Step 3: Cross multiply
    27,190.08x = 40,781.52 × 12,383.04
  4. Step 4: Simplify right side
    27,190.08x = 504,999,193.42
  5. Step 5: Solve for x
    x = 504,999,193.42/27,190.08
  6. Step 6: Final answer
    x = 18,572.92

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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.