Home / 20,532.08-30,782.42-17,011.28

Finding the Fourth Proportional to 20,532.08, 30,782.42 and 17,011.28

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Solution

The fourth proportional to 20,532.08, 30,782.42 and 17,011.28 is: 25,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.08 : 30,782.42 = 17,011.28 : x
  2. Step 2: Convert to fraction form
    20,532.08/30,782.42 = 17,011.28/x
  3. Step 3: Cross multiply
    20,532.08x = 30,782.42 × 17,011.28
  4. Step 4: Simplify right side
    20,532.08x = 523,648,365.70
  5. Step 5: Solve for x
    x = 523,648,365.70/20,532.08
  6. Step 6: Final answer
    x = 25,503.91

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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.