Home / 35,942.88-53,842.72-28,115.04

Finding the Fourth Proportional to 35,942.88, 53,842.72 and 28,115.04

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Solution

The fourth proportional to 35,942.88, 53,842.72 and 28,115.04 is: 42,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.88 : 53,842.72 = 28,115.04 : x
  2. Step 2: Convert to fraction form
    35,942.88/53,842.72 = 28,115.04/x
  3. Step 3: Cross multiply
    35,942.88x = 53,842.72 × 28,115.04
  4. Step 4: Simplify right side
    35,942.88x = 1,513,790,226.51
  5. Step 5: Solve for x
    x = 1,513,790,226.51/35,942.88
  6. Step 6: Final answer
    x = 42,116.55

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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.