Home / 20,544.72-30,814.04-5,752.71

Finding the Fourth Proportional to 20,544.72, 30,814.04 and 5,752.71

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Solution

The fourth proportional to 20,544.72, 30,814.04 and 5,752.71 is: 8,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.72 : 30,814.04 = 5,752.71 : x
  2. Step 2: Convert to fraction form
    20,544.72/30,814.04 = 5,752.71/x
  3. Step 3: Cross multiply
    20,544.72x = 30,814.04 × 5,752.71
  4. Step 4: Simplify right side
    20,544.72x = 177,264,207.28
  5. Step 5: Solve for x
    x = 177,264,207.28/20,544.72
  6. Step 6: Final answer
    x = 8,628.21

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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.