Home / 52,838.09-72,917.96-28,965.65

Finding the Fourth Proportional to 52,838.09, 72,917.96 and 28,965.65

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Solution

The fourth proportional to 52,838.09, 72,917.96 and 28,965.65 is: 39,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,838.09 : 72,917.96 = 28,965.65 : x
  2. Step 2: Convert to fraction form
    52,838.09/72,917.96 = 28,965.65/x
  3. Step 3: Cross multiply
    52,838.09x = 72,917.96 × 28,965.65
  4. Step 4: Simplify right side
    52,838.09x = 2,112,115,598.66
  5. Step 5: Solve for x
    x = 2,112,115,598.66/52,838.09
  6. Step 6: Final answer
    x = 39,973.36

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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.