Home / 26,300.80-39,439.92-9,655.36

Finding the Fourth Proportional to 26,300.80, 39,439.92 and 9,655.36

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Solution

The fourth proportional to 26,300.80, 39,439.92 and 9,655.36 is: 14,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,300.80 : 39,439.92 = 9,655.36 : x
  2. Step 2: Convert to fraction form
    26,300.80/39,439.92 = 9,655.36/x
  3. Step 3: Cross multiply
    26,300.80x = 39,439.92 × 9,655.36
  4. Step 4: Simplify right side
    26,300.80x = 380,806,625.97
  5. Step 5: Solve for x
    x = 380,806,625.97/26,300.80
  6. Step 6: Final answer
    x = 14,478.90

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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.