Home / 27,392.61-37,791.66-20,239.77

Finding the Fourth Proportional to 27,392.61, 37,791.66 and 20,239.77

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Solution

The fourth proportional to 27,392.61, 37,791.66 and 20,239.77 is: 27,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,392.61 : 37,791.66 = 20,239.77 : x
  2. Step 2: Convert to fraction form
    27,392.61/37,791.66 = 20,239.77/x
  3. Step 3: Cross multiply
    27,392.61x = 37,791.66 × 20,239.77
  4. Step 4: Simplify right side
    27,392.61x = 764,894,506.32
  5. Step 5: Solve for x
    x = 764,894,506.32/27,392.61
  6. Step 6: Final answer
    x = 27,923.39

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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.