Home / 27,379.05-41,068.31-8,659.08

Finding the Fourth Proportional to 27,379.05, 41,068.31 and 8,659.08

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Solution

The fourth proportional to 27,379.05, 41,068.31 and 8,659.08 is: 12,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.05 : 41,068.31 = 8,659.08 : x
  2. Step 2: Convert to fraction form
    27,379.05/41,068.31 = 8,659.08/x
  3. Step 3: Cross multiply
    27,379.05x = 41,068.31 × 8,659.08
  4. Step 4: Simplify right side
    27,379.05x = 355,613,738.46
  5. Step 5: Solve for x
    x = 355,613,738.46/27,379.05
  6. Step 6: Final answer
    x = 12,988.53

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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.