Home / 20,072.06-30,097.13-15,938.62

Finding the Fourth Proportional to 20,072.06, 30,097.13 and 15,938.62

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Solution

The fourth proportional to 20,072.06, 30,097.13 and 15,938.62 is: 23,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.06 : 30,097.13 = 15,938.62 : x
  2. Step 2: Convert to fraction form
    20,072.06/30,097.13 = 15,938.62/x
  3. Step 3: Cross multiply
    20,072.06x = 30,097.13 × 15,938.62
  4. Step 4: Simplify right side
    20,072.06x = 479,706,718.16
  5. Step 5: Solve for x
    x = 479,706,718.16/20,072.06
  6. Step 6: Final answer
    x = 23,899.23

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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.