Home / 27,882.96-38,479.17-15,136.67

Finding the Fourth Proportional to 27,882.96, 38,479.17 and 15,136.67

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Solution

The fourth proportional to 27,882.96, 38,479.17 and 15,136.67 is: 20,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.96 : 38,479.17 = 15,136.67 : x
  2. Step 2: Convert to fraction form
    27,882.96/38,479.17 = 15,136.67/x
  3. Step 3: Cross multiply
    27,882.96x = 38,479.17 × 15,136.67
  4. Step 4: Simplify right side
    27,882.96x = 582,446,305.77
  5. Step 5: Solve for x
    x = 582,446,305.77/27,882.96
  6. Step 6: Final answer
    x = 20,888.97

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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.