Home / 28,787.25-43,180.87-11,244.77

Finding the Fourth Proportional to 28,787.25, 43,180.87 and 11,244.77

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Solution

The fourth proportional to 28,787.25, 43,180.87 and 11,244.77 is: 16,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.25 : 43,180.87 = 11,244.77 : x
  2. Step 2: Convert to fraction form
    28,787.25/43,180.87 = 11,244.77/x
  3. Step 3: Cross multiply
    28,787.25x = 43,180.87 × 11,244.77
  4. Step 4: Simplify right side
    28,787.25x = 485,559,114.04
  5. Step 5: Solve for x
    x = 485,559,114.04/28,787.25
  6. Step 6: Final answer
    x = 16,867.16

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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.