Home / 26,299.63-39,449.79-8,769.46

Finding the Fourth Proportional to 26,299.63, 39,449.79 and 8,769.46

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Solution

The fourth proportional to 26,299.63, 39,449.79 and 8,769.46 is: 13,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.63 : 39,449.79 = 8,769.46 : x
  2. Step 2: Convert to fraction form
    26,299.63/39,449.79 = 8,769.46/x
  3. Step 3: Cross multiply
    26,299.63x = 39,449.79 × 8,769.46
  4. Step 4: Simplify right side
    26,299.63x = 345,953,355.41
  5. Step 5: Solve for x
    x = 345,953,355.41/26,299.63
  6. Step 6: Final answer
    x = 13,154.31

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1.5x scale

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.