Home / 28,809.81-43,214.39-7,462.43

Finding the Fourth Proportional to 28,809.81, 43,214.39 and 7,462.43

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Solution

The fourth proportional to 28,809.81, 43,214.39 and 7,462.43 is: 11,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.81 : 43,214.39 = 7,462.43 : x
  2. Step 2: Convert to fraction form
    28,809.81/43,214.39 = 7,462.43/x
  3. Step 3: Cross multiply
    28,809.81x = 43,214.39 × 7,462.43
  4. Step 4: Simplify right side
    28,809.81x = 322,484,360.37
  5. Step 5: Solve for x
    x = 322,484,360.37/28,809.81
  6. Step 6: Final answer
    x = 11,193.56

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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.