Home / 52,815.44-72,887.08-28,941.91

Finding the Fourth Proportional to 52,815.44, 72,887.08 and 28,941.91

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Solution

The fourth proportional to 52,815.44, 72,887.08 and 28,941.91 is: 39,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.44 : 72,887.08 = 28,941.91 : x
  2. Step 2: Convert to fraction form
    52,815.44/72,887.08 = 28,941.91/x
  3. Step 3: Cross multiply
    52,815.44x = 72,887.08 × 28,941.91
  4. Step 4: Simplify right side
    52,815.44x = 2,109,491,054.95
  5. Step 5: Solve for x
    x = 2,109,491,054.95/52,815.44
  6. Step 6: Final answer
    x = 39,940.80

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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.