Home / 28,719.24-43,073.82-13,133.16

Finding the Fourth Proportional to 28,719.24, 43,073.82 and 13,133.16

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Solution

The fourth proportional to 28,719.24, 43,073.82 and 13,133.16 is: 19,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.24 : 43,073.82 = 13,133.16 : x
  2. Step 2: Convert to fraction form
    28,719.24/43,073.82 = 13,133.16/x
  3. Step 3: Cross multiply
    28,719.24x = 43,073.82 × 13,133.16
  4. Step 4: Simplify right side
    28,719.24x = 565,695,369.87
  5. Step 5: Solve for x
    x = 565,695,369.87/28,719.24
  6. Step 6: Final answer
    x = 19,697.44

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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.