Home / 52,725.78-72,759.81-28,850.85

Finding the Fourth Proportional to 52,725.78, 72,759.81 and 28,850.85

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Solution

The fourth proportional to 52,725.78, 72,759.81 and 28,850.85 is: 39,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,725.78 : 72,759.81 = 28,850.85 : x
  2. Step 2: Convert to fraction form
    52,725.78/72,759.81 = 28,850.85/x
  3. Step 3: Cross multiply
    52,725.78x = 72,759.81 × 28,850.85
  4. Step 4: Simplify right side
    52,725.78x = 2,099,182,364.34
  5. Step 5: Solve for x
    x = 2,099,182,364.34/52,725.78
  6. Step 6: Final answer
    x = 39,813.21

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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.