Home / 26,516.62-39,776.96-8,740.36

Finding the Fourth Proportional to 26,516.62, 39,776.96 and 8,740.36

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Solution

The fourth proportional to 26,516.62, 39,776.96 and 8,740.36 is: 13,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516.62 : 39,776.96 = 8,740.36 : x
  2. Step 2: Convert to fraction form
    26,516.62/39,776.96 = 8,740.36/x
  3. Step 3: Cross multiply
    26,516.62x = 39,776.96 × 8,740.36
  4. Step 4: Simplify right side
    26,516.62x = 347,664,950.11
  5. Step 5: Solve for x
    x = 347,664,950.11/26,516.62
  6. Step 6: Final answer
    x = 13,111.21

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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.