Home / 27,671.69-38,186.81-15,096.44

Finding the Fourth Proportional to 27,671.69, 38,186.81 and 15,096.44

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Solution

The fourth proportional to 27,671.69, 38,186.81 and 15,096.44 is: 20,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.69 : 38,186.81 = 15,096.44 : x
  2. Step 2: Convert to fraction form
    27,671.69/38,186.81 = 15,096.44/x
  3. Step 3: Cross multiply
    27,671.69x = 38,186.81 × 15,096.44
  4. Step 4: Simplify right side
    27,671.69x = 576,484,962.55
  5. Step 5: Solve for x
    x = 576,484,962.55/27,671.69
  6. Step 6: Final answer
    x = 20,833.02

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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.