Home / 27,451.94-37,882.10-15,186.61

Finding the Fourth Proportional to 27,451.94, 37,882.10 and 15,186.61

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Solution

The fourth proportional to 27,451.94, 37,882.10 and 15,186.61 is: 20,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.94 : 37,882.10 = 15,186.61 : x
  2. Step 2: Convert to fraction form
    27,451.94/37,882.10 = 15,186.61/x
  3. Step 3: Cross multiply
    27,451.94x = 37,882.10 × 15,186.61
  4. Step 4: Simplify right side
    27,451.94x = 575,300,465.49
  5. Step 5: Solve for x
    x = 575,300,465.49/27,451.94
  6. Step 6: Final answer
    x = 20,956.64

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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.