Home / 52,709.22-72,736.65-28,835.28

Finding the Fourth Proportional to 52,709.22, 72,736.65 and 28,835.28

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Solution

The fourth proportional to 52,709.22, 72,736.65 and 28,835.28 is: 39,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,709.22 : 72,736.65 = 28,835.28 : x
  2. Step 2: Convert to fraction form
    52,709.22/72,736.65 = 28,835.28/x
  3. Step 3: Cross multiply
    52,709.22x = 72,736.65 × 28,835.28
  4. Step 4: Simplify right side
    52,709.22x = 2,097,381,669.01
  5. Step 5: Solve for x
    x = 2,097,381,669.01/52,709.22
  6. Step 6: Final answer
    x = 39,791.55

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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.