Home / 26,487.36-39,731.40-6,766.08

Finding the Fourth Proportional to 26,487.36, 39,731.40 and 6,766.08

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Solution

The fourth proportional to 26,487.36, 39,731.40 and 6,766.08 is: 10,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.36 : 39,731.40 = 6,766.08 : x
  2. Step 2: Convert to fraction form
    26,487.36/39,731.40 = 6,766.08/x
  3. Step 3: Cross multiply
    26,487.36x = 39,731.40 × 6,766.08
  4. Step 4: Simplify right side
    26,487.36x = 268,825,830.91
  5. Step 5: Solve for x
    x = 268,825,830.91/26,487.36
  6. Step 6: Final answer
    x = 10,149.21

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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.