Home / 20,080.47-30,096.81-15,133.80

Finding the Fourth Proportional to 20,080.47, 30,096.81 and 15,133.80

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Solution

The fourth proportional to 20,080.47, 30,096.81 and 15,133.80 is: 22,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.47 : 30,096.81 = 15,133.80 : x
  2. Step 2: Convert to fraction form
    20,080.47/30,096.81 = 15,133.80/x
  3. Step 3: Cross multiply
    20,080.47x = 30,096.81 × 15,133.80
  4. Step 4: Simplify right side
    20,080.47x = 455,479,103.18
  5. Step 5: Solve for x
    x = 455,479,103.18/20,080.47
  6. Step 6: Final answer
    x = 22,682.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.