Home / 28,787.56-39,725.94-16,212.04

Finding the Fourth Proportional to 28,787.56, 39,725.94 and 16,212.04

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Solution

The fourth proportional to 28,787.56, 39,725.94 and 16,212.04 is: 22,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.56 : 39,725.94 = 16,212.04 : x
  2. Step 2: Convert to fraction form
    28,787.56/39,725.94 = 16,212.04/x
  3. Step 3: Cross multiply
    28,787.56x = 39,725.94 × 16,212.04
  4. Step 4: Simplify right side
    28,787.56x = 644,038,528.32
  5. Step 5: Solve for x
    x = 644,038,528.32/28,787.56
  6. Step 6: Final answer
    x = 22,372.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.