Home / 52,787.96-72,847.41-28,915.03

Finding the Fourth Proportional to 52,787.96, 72,847.41 and 28,915.03

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Solution

The fourth proportional to 52,787.96, 72,847.41 and 28,915.03 is: 39,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.96 : 72,847.41 = 28,915.03 : x
  2. Step 2: Convert to fraction form
    52,787.96/72,847.41 = 28,915.03/x
  3. Step 3: Cross multiply
    52,787.96x = 72,847.41 × 28,915.03
  4. Step 4: Simplify right side
    52,787.96x = 2,106,385,045.57
  5. Step 5: Solve for x
    x = 2,106,385,045.57/52,787.96
  6. Step 6: Final answer
    x = 39,902.76

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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.