Home / 20,168.61-30,241.85-15,476.91

Finding the Fourth Proportional to 20,168.61, 30,241.85 and 15,476.91

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Solution

The fourth proportional to 20,168.61, 30,241.85 and 15,476.91 is: 23,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168.61 : 30,241.85 = 15,476.91 : x
  2. Step 2: Convert to fraction form
    20,168.61/30,241.85 = 15,476.91/x
  3. Step 3: Cross multiply
    20,168.61x = 30,241.85 × 15,476.91
  4. Step 4: Simplify right side
    20,168.61x = 468,050,313.30
  5. Step 5: Solve for x
    x = 468,050,313.30/20,168.61
  6. Step 6: Final answer
    x = 23,206.87

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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.