Home / 27,660.60-38,160.74-17,031.80

Finding the Fourth Proportional to 27,660.60, 38,160.74 and 17,031.80

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Solution

The fourth proportional to 27,660.60, 38,160.74 and 17,031.80 is: 23,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660.60 : 38,160.74 = 17,031.80 : x
  2. Step 2: Convert to fraction form
    27,660.60/38,160.74 = 17,031.80/x
  3. Step 3: Cross multiply
    27,660.60x = 38,160.74 × 17,031.80
  4. Step 4: Simplify right side
    27,660.60x = 649,946,091.53
  5. Step 5: Solve for x
    x = 649,946,091.53/27,660.60
  6. Step 6: Final answer
    x = 23,497.18

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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.