Home / 52,637.20-72,639.44-28,764.26

Finding the Fourth Proportional to 52,637.20, 72,639.44 and 28,764.26

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Solution

The fourth proportional to 52,637.20, 72,639.44 and 28,764.26 is: 39,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.20 : 72,639.44 = 28,764.26 : x
  2. Step 2: Convert to fraction form
    52,637.20/72,639.44 = 28,764.26/x
  3. Step 3: Cross multiply
    52,637.20x = 72,639.44 × 28,764.26
  4. Step 4: Simplify right side
    52,637.20x = 2,089,419,738.41
  5. Step 5: Solve for x
    x = 2,089,419,738.41/52,637.20
  6. Step 6: Final answer
    x = 39,694.74

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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.