Home / 52,635.05-72,641.30-28,765.28

Finding the Fourth Proportional to 52,635.05, 72,641.30 and 28,765.28

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Solution

The fourth proportional to 52,635.05, 72,641.30 and 28,765.28 is: 39,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.05 : 72,641.30 = 28,765.28 : x
  2. Step 2: Convert to fraction form
    52,635.05/72,641.30 = 28,765.28/x
  3. Step 3: Cross multiply
    52,635.05x = 72,641.30 × 28,765.28
  4. Step 4: Simplify right side
    52,635.05x = 2,089,546,827.03
  5. Step 5: Solve for x
    x = 2,089,546,827.03/52,635.05
  6. Step 6: Final answer
    x = 39,698.78

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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.