Home / 28,635.66-42,951.78-17,022.78

Finding the Fourth Proportional to 28,635.66, 42,951.78 and 17,022.78

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Solution

The fourth proportional to 28,635.66, 42,951.78 and 17,022.78 is: 25,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.66 : 42,951.78 = 17,022.78 : x
  2. Step 2: Convert to fraction form
    28,635.66/42,951.78 = 17,022.78/x
  3. Step 3: Cross multiply
    28,635.66x = 42,951.78 × 17,022.78
  4. Step 4: Simplify right side
    28,635.66x = 731,158,701.55
  5. Step 5: Solve for x
    x = 731,158,701.55/28,635.66
  6. Step 6: Final answer
    x = 25,533.15

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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.