Home / 20,071.56-30,096.42-15,938.12

Finding the Fourth Proportional to 20,071.56, 30,096.42 and 15,938.12

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Solution

The fourth proportional to 20,071.56, 30,096.42 and 15,938.12 is: 23,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.56 : 30,096.42 = 15,938.12 : x
  2. Step 2: Convert to fraction form
    20,071.56/30,096.42 = 15,938.12/x
  3. Step 3: Cross multiply
    20,071.56x = 30,096.42 × 15,938.12
  4. Step 4: Simplify right side
    20,071.56x = 479,680,353.53
  5. Step 5: Solve for x
    x = 479,680,353.53/20,071.56
  6. Step 6: Final answer
    x = 23,898.51

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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.