Home / 28,727.28-43,131.27-14,697.37

Finding the Fourth Proportional to 28,727.28, 43,131.27 and 14,697.37

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Solution

The fourth proportional to 28,727.28, 43,131.27 and 14,697.37 is: 22,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.28 : 43,131.27 = 14,697.37 : x
  2. Step 2: Convert to fraction form
    28,727.28/43,131.27 = 14,697.37/x
  3. Step 3: Cross multiply
    28,727.28x = 43,131.27 × 14,697.37
  4. Step 4: Simplify right side
    28,727.28x = 633,916,018.10
  5. Step 5: Solve for x
    x = 633,916,018.10/28,727.28
  6. Step 6: Final answer
    x = 22,066.69

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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.