Home / 52,635.58-72,642.18-28,765.87

Finding the Fourth Proportional to 52,635.58, 72,642.18 and 28,765.87

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Solution

The fourth proportional to 52,635.58, 72,642.18 and 28,765.87 is: 39,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.58 : 72,642.18 = 28,765.87 : x
  2. Step 2: Convert to fraction form
    52,635.58/72,642.18 = 28,765.87/x
  3. Step 3: Cross multiply
    52,635.58x = 72,642.18 × 28,765.87
  4. Step 4: Simplify right side
    52,635.58x = 2,089,615,506.40
  5. Step 5: Solve for x
    x = 2,089,615,506.40/52,635.58
  6. Step 6: Final answer
    x = 39,699.68

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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.