Home / 28,043.44-42,126.24-16,955.35

Finding the Fourth Proportional to 28,043.44, 42,126.24 and 16,955.35

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Solution

The fourth proportional to 28,043.44, 42,126.24 and 16,955.35 is: 25,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.44 : 42,126.24 = 16,955.35 : x
  2. Step 2: Convert to fraction form
    28,043.44/42,126.24 = 16,955.35/x
  3. Step 3: Cross multiply
    28,043.44x = 42,126.24 × 16,955.35
  4. Step 4: Simplify right side
    28,043.44x = 714,265,143.38
  5. Step 5: Solve for x
    x = 714,265,143.38/28,043.44
  6. Step 6: Final answer
    x = 25,469.95

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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.