Home / 34,128.66-51,151.32-15,403.86

Finding the Fourth Proportional to 34,128.66, 51,151.32 and 15,403.86

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Solution

The fourth proportional to 34,128.66, 51,151.32 and 15,403.86 is: 23,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.66 : 51,151.32 = 15,403.86 : x
  2. Step 2: Convert to fraction form
    34,128.66/51,151.32 = 15,403.86/x
  3. Step 3: Cross multiply
    34,128.66x = 51,151.32 × 15,403.86
  4. Step 4: Simplify right side
    34,128.66x = 787,927,772.10
  5. Step 5: Solve for x
    x = 787,927,772.10/34,128.66
  6. Step 6: Final answer
    x = 23,086.98

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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.