Home / 28,896.53-43,357.32-10,189.93

Finding the Fourth Proportional to 28,896.53, 43,357.32 and 10,189.93

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Solution

The fourth proportional to 28,896.53, 43,357.32 and 10,189.93 is: 15,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.53 : 43,357.32 = 10,189.93 : x
  2. Step 2: Convert to fraction form
    28,896.53/43,357.32 = 10,189.93/x
  3. Step 3: Cross multiply
    28,896.53x = 43,357.32 × 10,189.93
  4. Step 4: Simplify right side
    28,896.53x = 441,808,055.79
  5. Step 5: Solve for x
    x = 441,808,055.79/28,896.53
  6. Step 6: Final answer
    x = 15,289.31

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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.