Home / 28,816.02-43,230.41-11,286

Finding the Fourth Proportional to 28,816.02, 43,230.41 and 11,286

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Solution

The fourth proportional to 28,816.02, 43,230.41 and 11,286 is: 16,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.02 : 43,230.41 = 11,286 : x
  2. Step 2: Convert to fraction form
    28,816.02/43,230.41 = 11,286/x
  3. Step 3: Cross multiply
    28,816.02x = 43,230.41 × 11,286
  4. Step 4: Simplify right side
    28,816.02x = 487,898,393.15
  5. Step 5: Solve for x
    x = 487,898,393.15/28,816.02
  6. Step 6: Final answer
    x = 16,931.50

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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.