Home / 27,100.05-40,656.05-8,123.93

Finding the Fourth Proportional to 27,100.05, 40,656.05 and 8,123.93

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Solution

The fourth proportional to 27,100.05, 40,656.05 and 8,123.93 is: 12,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.05 : 40,656.05 = 8,123.93 : x
  2. Step 2: Convert to fraction form
    27,100.05/40,656.05 = 8,123.93/x
  3. Step 3: Cross multiply
    27,100.05x = 40,656.05 × 8,123.93
  4. Step 4: Simplify right side
    27,100.05x = 330,286,843.30
  5. Step 5: Solve for x
    x = 330,286,843.30/27,100.05
  6. Step 6: Final answer
    x = 12,187.69

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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.