Home / 52,765.30-72,816.12-28,893.44

Finding the Fourth Proportional to 52,765.30, 72,816.12 and 28,893.44

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Solution

The fourth proportional to 52,765.30, 72,816.12 and 28,893.44 is: 39,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.30 : 72,816.12 = 28,893.44 : x
  2. Step 2: Convert to fraction form
    52,765.30/72,816.12 = 28,893.44/x
  3. Step 3: Cross multiply
    52,765.30x = 72,816.12 × 28,893.44
  4. Step 4: Simplify right side
    52,765.30x = 2,103,908,194.25
  5. Step 5: Solve for x
    x = 2,103,908,194.25/52,765.30
  6. Step 6: Final answer
    x = 39,872.95

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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.