Home / 86,628.34-129,947.09-27,468.62

Finding the Fourth Proportional to 86,628.34, 129,947.09 and 27,468.62

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Solution

The fourth proportional to 86,628.34, 129,947.09 and 27,468.62 is: 41,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.34 : 129,947.09 = 27,468.62 : x
  2. Step 2: Convert to fraction form
    86,628.34/129,947.09 = 27,468.62/x
  3. Step 3: Cross multiply
    86,628.34x = 129,947.09 × 27,468.62
  4. Step 4: Simplify right side
    86,628.34x = 3,569,466,935.54
  5. Step 5: Solve for x
    x = 3,569,466,935.54/86,628.34
  6. Step 6: Final answer
    x = 41,204.38

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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.