Home / 18,390.33-27,532.31-16,491.15

Finding the Fourth Proportional to 18,390.33, 27,532.31 and 16,491.15

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Solution

The fourth proportional to 18,390.33, 27,532.31 and 16,491.15 is: 24,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.33 : 27,532.31 = 16,491.15 : x
  2. Step 2: Convert to fraction form
    18,390.33/27,532.31 = 16,491.15/x
  3. Step 3: Cross multiply
    18,390.33x = 27,532.31 × 16,491.15
  4. Step 4: Simplify right side
    18,390.33x = 454,039,371.60
  5. Step 5: Solve for x
    x = 454,039,371.60/18,390.33
  6. Step 6: Final answer
    x = 24,689.03

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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.