Home / 26,182.02-39,279.10-8,650.78

Finding the Fourth Proportional to 26,182.02, 39,279.10 and 8,650.78

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Solution

The fourth proportional to 26,182.02, 39,279.10 and 8,650.78 is: 12,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,182.02 : 39,279.10 = 8,650.78 : x
  2. Step 2: Convert to fraction form
    26,182.02/39,279.10 = 8,650.78/x
  3. Step 3: Cross multiply
    26,182.02x = 39,279.10 × 8,650.78
  4. Step 4: Simplify right side
    26,182.02x = 339,794,847.40
  5. Step 5: Solve for x
    x = 339,794,847.40/26,182.02
  6. Step 6: Final answer
    x = 12,978.18

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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.