Home / 27,309.96-37,686.87-15,371.67

Finding the Fourth Proportional to 27,309.96, 37,686.87 and 15,371.67

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Solution

The fourth proportional to 27,309.96, 37,686.87 and 15,371.67 is: 21,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.96 : 37,686.87 = 15,371.67 : x
  2. Step 2: Convert to fraction form
    27,309.96/37,686.87 = 15,371.67/x
  3. Step 3: Cross multiply
    27,309.96x = 37,686.87 × 15,371.67
  4. Step 4: Simplify right side
    27,309.96x = 579,310,270.30
  5. Step 5: Solve for x
    x = 579,310,270.30/27,309.96
  6. Step 6: Final answer
    x = 21,212.42

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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.