Home / 38,963.20-58,401.60-16,772.80

Finding the Fourth Proportional to 38,963.20, 58,401.60 and 16,772.80

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Solution

The fourth proportional to 38,963.20, 58,401.60 and 16,772.80 is: 25,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.20 : 58,401.60 = 16,772.80 : x
  2. Step 2: Convert to fraction form
    38,963.20/58,401.60 = 16,772.80/x
  3. Step 3: Cross multiply
    38,963.20x = 58,401.60 × 16,772.80
  4. Step 4: Simplify right side
    38,963.20x = 979,558,356.48
  5. Step 5: Solve for x
    x = 979,558,356.48/38,963.20
  6. Step 6: Final answer
    x = 25,140.60

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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.