Home / 27,117.05-37,419.46-15,178.77

Finding the Fourth Proportional to 27,117.05, 37,419.46 and 15,178.77

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Solution

The fourth proportional to 27,117.05, 37,419.46 and 15,178.77 is: 20,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.05 : 37,419.46 = 15,178.77 : x
  2. Step 2: Convert to fraction form
    27,117.05/37,419.46 = 15,178.77/x
  3. Step 3: Cross multiply
    27,117.05x = 37,419.46 × 15,178.77
  4. Step 4: Simplify right side
    27,117.05x = 567,981,212.33
  5. Step 5: Solve for x
    x = 567,981,212.33/27,117.05
  6. Step 6: Final answer
    x = 20,945.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.