Home / 28,937.12-43,419.17-10,231.31

Finding the Fourth Proportional to 28,937.12, 43,419.17 and 10,231.31

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Solution

The fourth proportional to 28,937.12, 43,419.17 and 10,231.31 is: 15,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.12 : 43,419.17 = 10,231.31 : x
  2. Step 2: Convert to fraction form
    28,937.12/43,419.17 = 10,231.31/x
  3. Step 3: Cross multiply
    28,937.12x = 43,419.17 × 10,231.31
  4. Step 4: Simplify right side
    28,937.12x = 444,235,122.34
  5. Step 5: Solve for x
    x = 444,235,122.34/28,937.12
  6. Step 6: Final answer
    x = 15,351.74

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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.