Home / 28,878.45-43,291.89-15,558.69

Finding the Fourth Proportional to 28,878.45, 43,291.89 and 15,558.69

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Solution

The fourth proportional to 28,878.45, 43,291.89 and 15,558.69 is: 23,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.45 : 43,291.89 = 15,558.69 : x
  2. Step 2: Convert to fraction form
    28,878.45/43,291.89 = 15,558.69/x
  3. Step 3: Cross multiply
    28,878.45x = 43,291.89 × 15,558.69
  4. Step 4: Simplify right side
    28,878.45x = 673,565,096.02
  5. Step 5: Solve for x
    x = 673,565,096.02/28,878.45
  6. Step 6: Final answer
    x = 23,324.14

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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.