Home / 26,399.82-39,599.74-8,869.65

Finding the Fourth Proportional to 26,399.82, 39,599.74 and 8,869.65

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Solution

The fourth proportional to 26,399.82, 39,599.74 and 8,869.65 is: 13,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,399.82 : 39,599.74 = 8,869.65 : x
  2. Step 2: Convert to fraction form
    26,399.82/39,599.74 = 8,869.65/x
  3. Step 3: Cross multiply
    26,399.82x = 39,599.74 × 8,869.65
  4. Step 4: Simplify right side
    26,399.82x = 351,235,869.34
  5. Step 5: Solve for x
    x = 351,235,869.34/26,399.82
  6. Step 6: Final answer
    x = 13,304.48

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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.