Home / 52,564.70-72,538.39-28,690.86

Finding the Fourth Proportional to 52,564.70, 72,538.39 and 28,690.86

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Solution

The fourth proportional to 52,564.70, 72,538.39 and 28,690.86 is: 39,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,564.70 : 72,538.39 = 28,690.86 : x
  2. Step 2: Convert to fraction form
    52,564.70/72,538.39 = 28,690.86/x
  3. Step 3: Cross multiply
    52,564.70x = 72,538.39 × 28,690.86
  4. Step 4: Simplify right side
    52,564.70x = 2,081,188,530.58
  5. Step 5: Solve for x
    x = 2,081,188,530.58/52,564.70
  6. Step 6: Final answer
    x = 39,592.90

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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.