Home / 16,039.60-24,043.20-7,280.80

Finding the Fourth Proportional to 16,039.60, 24,043.20 and 7,280.80

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Solution

The fourth proportional to 16,039.60, 24,043.20 and 7,280.80 is: 10,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.60 : 24,043.20 = 7,280.80 : x
  2. Step 2: Convert to fraction form
    16,039.60/24,043.20 = 7,280.80/x
  3. Step 3: Cross multiply
    16,039.60x = 24,043.20 × 7,280.80
  4. Step 4: Simplify right side
    16,039.60x = 175,053,730.56
  5. Step 5: Solve for x
    x = 175,053,730.56/16,039.60
  6. Step 6: Final answer
    x = 10,913.85

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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.