Home / 27,392.43-37,801.62-15,455.79

Finding the Fourth Proportional to 27,392.43, 37,801.62 and 15,455.79

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Solution

The fourth proportional to 27,392.43, 37,801.62 and 15,455.79 is: 21,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,392.43 : 37,801.62 = 15,455.79 : x
  2. Step 2: Convert to fraction form
    27,392.43/37,801.62 = 15,455.79/x
  3. Step 3: Cross multiply
    27,392.43x = 37,801.62 × 15,455.79
  4. Step 4: Simplify right side
    27,392.43x = 584,253,900.38
  5. Step 5: Solve for x
    x = 584,253,900.38/27,392.43
  6. Step 6: Final answer
    x = 21,329.03

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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.