Home / 28,937.88-43,361.93-20,070.51

Finding the Fourth Proportional to 28,937.88, 43,361.93 and 20,070.51

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Solution

The fourth proportional to 28,937.88, 43,361.93 and 20,070.51 is: 30,074.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.88 : 43,361.93 = 20,070.51 : x
  2. Step 2: Convert to fraction form
    28,937.88/43,361.93 = 20,070.51/x
  3. Step 3: Cross multiply
    28,937.88x = 43,361.93 × 20,070.51
  4. Step 4: Simplify right side
    28,937.88x = 870,296,049.68
  5. Step 5: Solve for x
    x = 870,296,049.68/28,937.88
  6. Step 6: Final answer
    x = 30,074.63

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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.