Home / 27,121.59-37,423.49-15,185.43

Finding the Fourth Proportional to 27,121.59, 37,423.49 and 15,185.43

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Solution

The fourth proportional to 27,121.59, 37,423.49 and 15,185.43 is: 20,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.59 : 37,423.49 = 15,185.43 : x
  2. Step 2: Convert to fraction form
    27,121.59/37,423.49 = 15,185.43/x
  3. Step 3: Cross multiply
    27,121.59x = 37,423.49 × 15,185.43
  4. Step 4: Simplify right side
    27,121.59x = 568,291,711.82
  5. Step 5: Solve for x
    x = 568,291,711.82/27,121.59
  6. Step 6: Final answer
    x = 20,953.48

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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.