Home / 27,178.08-40,764.39-7,458.62

Finding the Fourth Proportional to 27,178.08, 40,764.39 and 7,458.62

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Solution

The fourth proportional to 27,178.08, 40,764.39 and 7,458.62 is: 11,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.08 : 40,764.39 = 7,458.62 : x
  2. Step 2: Convert to fraction form
    27,178.08/40,764.39 = 7,458.62/x
  3. Step 3: Cross multiply
    27,178.08x = 40,764.39 × 7,458.62
  4. Step 4: Simplify right side
    27,178.08x = 304,046,094.54
  5. Step 5: Solve for x
    x = 304,046,094.54/27,178.08
  6. Step 6: Final answer
    x = 11,187.18

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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.