Home / 27,895.92-38,496.38-15,320.67

Finding the Fourth Proportional to 27,895.92, 38,496.38 and 15,320.67

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Solution

The fourth proportional to 27,895.92, 38,496.38 and 15,320.67 is: 21,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.92 : 38,496.38 = 15,320.67 : x
  2. Step 2: Convert to fraction form
    27,895.92/38,496.38 = 15,320.67/x
  3. Step 3: Cross multiply
    27,895.92x = 38,496.38 × 15,320.67
  4. Step 4: Simplify right side
    27,895.92x = 589,790,257.57
  5. Step 5: Solve for x
    x = 589,790,257.57/27,895.92
  6. Step 6: Final answer
    x = 21,142.53

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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.