Home / 20,059.11-30,088.53-15,680.25

Finding the Fourth Proportional to 20,059.11, 30,088.53 and 15,680.25

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Solution

The fourth proportional to 20,059.11, 30,088.53 and 15,680.25 is: 23,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.11 : 30,088.53 = 15,680.25 : x
  2. Step 2: Convert to fraction form
    20,059.11/30,088.53 = 15,680.25/x
  3. Step 3: Cross multiply
    20,059.11x = 30,088.53 × 15,680.25
  4. Step 4: Simplify right side
    20,059.11x = 471,795,672.53
  5. Step 5: Solve for x
    x = 471,795,672.53/20,059.11
  6. Step 6: Final answer
    x = 23,520.27

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Similar ratio
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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.