Home / 29,128.15-43,701.77-9,406.86

Finding the Fourth Proportional to 29,128.15, 43,701.77 and 9,406.86

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Solution

The fourth proportional to 29,128.15, 43,701.77 and 9,406.86 is: 14,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.15 : 43,701.77 = 9,406.86 : x
  2. Step 2: Convert to fraction form
    29,128.15/43,701.77 = 9,406.86/x
  3. Step 3: Cross multiply
    29,128.15x = 43,701.77 × 9,406.86
  4. Step 4: Simplify right side
    29,128.15x = 411,096,432.14
  5. Step 5: Solve for x
    x = 411,096,432.14/29,128.15
  6. Step 6: Final answer
    x = 14,113.37

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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.