Home / 43,521.86-65,282.79-28,727.31

Finding the Fourth Proportional to 43,521.86, 65,282.79 and 28,727.31

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Solution

The fourth proportional to 43,521.86, 65,282.79 and 28,727.31 is: 43,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,521.86 : 65,282.79 = 28,727.31 : x
  2. Step 2: Convert to fraction form
    43,521.86/65,282.79 = 28,727.31/x
  3. Step 3: Cross multiply
    43,521.86x = 65,282.79 × 28,727.31
  4. Step 4: Simplify right side
    43,521.86x = 1,875,399,102.05
  5. Step 5: Solve for x
    x = 1,875,399,102.05/43,521.86
  6. Step 6: Final answer
    x = 43,090.97

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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.