Home / 26,447.28-39,669.84-10,864.50

Finding the Fourth Proportional to 26,447.28, 39,669.84 and 10,864.50

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Solution

The fourth proportional to 26,447.28, 39,669.84 and 10,864.50 is: 16,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.28 : 39,669.84 = 10,864.50 : x
  2. Step 2: Convert to fraction form
    26,447.28/39,669.84 = 10,864.50/x
  3. Step 3: Cross multiply
    26,447.28x = 39,669.84 × 10,864.50
  4. Step 4: Simplify right side
    26,447.28x = 430,992,976.68
  5. Step 5: Solve for x
    x = 430,992,976.68/26,447.28
  6. Step 6: Final answer
    x = 16,296.31

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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.