Home / 20,527.40-30,791.10-16,833.80

Finding the Fourth Proportional to 20,527.40, 30,791.10 and 16,833.80

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Solution

The fourth proportional to 20,527.40, 30,791.10 and 16,833.80 is: 25,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.40 : 30,791.10 = 16,833.80 : x
  2. Step 2: Convert to fraction form
    20,527.40/30,791.10 = 16,833.80/x
  3. Step 3: Cross multiply
    20,527.40x = 30,791.10 × 16,833.80
  4. Step 4: Simplify right side
    20,527.40x = 518,331,219.18
  5. Step 5: Solve for x
    x = 518,331,219.18/20,527.40
  6. Step 6: Final answer
    x = 25,250.70

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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.