Home / 20,615.72-30,924.63-5,825.70

Finding the Fourth Proportional to 20,615.72, 30,924.63 and 5,825.70

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Solution

The fourth proportional to 20,615.72, 30,924.63 and 5,825.70 is: 8,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.72 : 30,924.63 = 5,825.70 : x
  2. Step 2: Convert to fraction form
    20,615.72/30,924.63 = 5,825.70/x
  3. Step 3: Cross multiply
    20,615.72x = 30,924.63 × 5,825.70
  4. Step 4: Simplify right side
    20,615.72x = 180,157,616.99
  5. Step 5: Solve for x
    x = 180,157,616.99/20,615.72
  6. Step 6: Final answer
    x = 8,738.85

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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.