Home / 27,324.39-37,707.80-15,387.94

Finding the Fourth Proportional to 27,324.39, 37,707.80 and 15,387.94

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Solution

The fourth proportional to 27,324.39, 37,707.80 and 15,387.94 is: 21,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.39 : 37,707.80 = 15,387.94 : x
  2. Step 2: Convert to fraction form
    27,324.39/37,707.80 = 15,387.94/x
  3. Step 3: Cross multiply
    27,324.39x = 37,707.80 × 15,387.94
  4. Step 4: Simplify right side
    27,324.39x = 580,245,363.93
  5. Step 5: Solve for x
    x = 580,245,363.93/27,324.39
  6. Step 6: Final answer
    x = 21,235.44

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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.