Home / 20,244.78-30,366.90-16,774.74

Finding the Fourth Proportional to 20,244.78, 30,366.90 and 16,774.74

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Solution

The fourth proportional to 20,244.78, 30,366.90 and 16,774.74 is: 25,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.78 : 30,366.90 = 16,774.74 : x
  2. Step 2: Convert to fraction form
    20,244.78/30,366.90 = 16,774.74/x
  3. Step 3: Cross multiply
    20,244.78x = 30,366.90 × 16,774.74
  4. Step 4: Simplify right side
    20,244.78x = 509,396,852.11
  5. Step 5: Solve for x
    x = 509,396,852.11/20,244.78
  6. Step 6: Final answer
    x = 25,161.89

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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.