Home / 28,727.08-43,090.81-10,007.47

Finding the Fourth Proportional to 28,727.08, 43,090.81 and 10,007.47

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Solution

The fourth proportional to 28,727.08, 43,090.81 and 10,007.47 is: 15,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.08 : 43,090.81 = 10,007.47 : x
  2. Step 2: Convert to fraction form
    28,727.08/43,090.81 = 10,007.47/x
  3. Step 3: Cross multiply
    28,727.08x = 43,090.81 × 10,007.47
  4. Step 4: Simplify right side
    28,727.08x = 431,229,796.44
  5. Step 5: Solve for x
    x = 431,229,796.44/28,727.08
  6. Step 6: Final answer
    x = 15,011.27

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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.