Home / 27,100.20-40,656.28-8,124.09

Finding the Fourth Proportional to 27,100.20, 40,656.28 and 8,124.09

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Solution

The fourth proportional to 27,100.20, 40,656.28 and 8,124.09 is: 12,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.20 : 40,656.28 = 8,124.09 : x
  2. Step 2: Convert to fraction form
    27,100.20/40,656.28 = 8,124.09/x
  3. Step 3: Cross multiply
    27,100.20x = 40,656.28 × 8,124.09
  4. Step 4: Simplify right side
    27,100.20x = 330,295,277.79
  5. Step 5: Solve for x
    x = 330,295,277.79/27,100.20
  6. Step 6: Final answer
    x = 12,187.93

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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.