Home / 43,432.14-65,160.36-28,669.89

Finding the Fourth Proportional to 43,432.14, 65,160.36 and 28,669.89

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Solution

The fourth proportional to 43,432.14, 65,160.36 and 28,669.89 is: 43,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,432.14 : 65,160.36 = 28,669.89 : x
  2. Step 2: Convert to fraction form
    43,432.14/65,160.36 = 28,669.89/x
  3. Step 3: Cross multiply
    43,432.14x = 65,160.36 × 28,669.89
  4. Step 4: Simplify right side
    43,432.14x = 1,868,140,353.56
  5. Step 5: Solve for x
    x = 1,868,140,353.56/43,432.14
  6. Step 6: Final answer
    x = 43,012.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.