Home / 20,532.60-30,734.10-16,126.20

Finding the Fourth Proportional to 20,532.60, 30,734.10 and 16,126.20

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Solution

The fourth proportional to 20,532.60, 30,734.10 and 16,126.20 is: 24,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.60 : 30,734.10 = 16,126.20 : x
  2. Step 2: Convert to fraction form
    20,532.60/30,734.10 = 16,126.20/x
  3. Step 3: Cross multiply
    20,532.60x = 30,734.10 × 16,126.20
  4. Step 4: Simplify right side
    20,532.60x = 495,624,243.42
  5. Step 5: Solve for x
    x = 495,624,243.42/20,532.60
  6. Step 6: Final answer
    x = 24,138.41

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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.