Home / 20,152.16-30,198-15,750.08

Finding the Fourth Proportional to 20,152.16, 30,198 and 15,750.08

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Solution

The fourth proportional to 20,152.16, 30,198 and 15,750.08 is: 23,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.16 : 30,198 = 15,750.08 : x
  2. Step 2: Convert to fraction form
    20,152.16/30,198 = 15,750.08/x
  3. Step 3: Cross multiply
    20,152.16x = 30,198 × 15,750.08
  4. Step 4: Simplify right side
    20,152.16x = 475,620,915.84
  5. Step 5: Solve for x
    x = 475,620,915.84/20,152.16
  6. Step 6: Final answer
    x = 23,601.49

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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.