Home / 27,315.82-37,684.11-15,667.84

Finding the Fourth Proportional to 27,315.82, 37,684.11 and 15,667.84

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Solution

The fourth proportional to 27,315.82, 37,684.11 and 15,667.84 is: 21,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.82 : 37,684.11 = 15,667.84 : x
  2. Step 2: Convert to fraction form
    27,315.82/37,684.11 = 15,667.84/x
  3. Step 3: Cross multiply
    27,315.82x = 37,684.11 × 15,667.84
  4. Step 4: Simplify right side
    27,315.82x = 590,428,606.02
  5. Step 5: Solve for x
    x = 590,428,606.02/27,315.82
  6. Step 6: Final answer
    x = 21,614.90

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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.