Home / 27,727.72-38,292.21-17,660.67

Finding the Fourth Proportional to 27,727.72, 38,292.21 and 17,660.67

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Solution

The fourth proportional to 27,727.72, 38,292.21 and 17,660.67 is: 24,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.72 : 38,292.21 = 17,660.67 : x
  2. Step 2: Convert to fraction form
    27,727.72/38,292.21 = 17,660.67/x
  3. Step 3: Cross multiply
    27,727.72x = 38,292.21 × 17,660.67
  4. Step 4: Simplify right side
    27,727.72x = 676,265,940.78
  5. Step 5: Solve for x
    x = 676,265,940.78/27,727.72
  6. Step 6: Final answer
    x = 24,389.53

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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.