Home / 52,726.20-72,763.20-28,852.80

Finding the Fourth Proportional to 52,726.20, 72,763.20 and 28,852.80

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Solution

The fourth proportional to 52,726.20, 72,763.20 and 28,852.80 is: 39,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,726.20 : 72,763.20 = 28,852.80 : x
  2. Step 2: Convert to fraction form
    52,726.20/72,763.20 = 28,852.80/x
  3. Step 3: Cross multiply
    52,726.20x = 72,763.20 × 28,852.80
  4. Step 4: Simplify right side
    52,726.20x = 2,099,422,056.96
  5. Step 5: Solve for x
    x = 2,099,422,056.96/52,726.20
  6. Step 6: Final answer
    x = 39,817.44

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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.