Home / 26,380.90-39,576.48-8,616.52

Finding the Fourth Proportional to 26,380.90, 39,576.48 and 8,616.52

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Solution

The fourth proportional to 26,380.90, 39,576.48 and 8,616.52 is: 12,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.90 : 39,576.48 = 8,616.52 : x
  2. Step 2: Convert to fraction form
    26,380.90/39,576.48 = 8,616.52/x
  3. Step 3: Cross multiply
    26,380.90x = 39,576.48 × 8,616.52
  4. Step 4: Simplify right side
    26,380.90x = 341,011,531.45
  5. Step 5: Solve for x
    x = 341,011,531.45/26,380.90
  6. Step 6: Final answer
    x = 12,926.46

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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.