Home / 26,635.90-39,943.46-9,986.86

Finding the Fourth Proportional to 26,635.90, 39,943.46 and 9,986.86

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Solution

The fourth proportional to 26,635.90, 39,943.46 and 9,986.86 is: 14,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.90 : 39,943.46 = 9,986.86 : x
  2. Step 2: Convert to fraction form
    26,635.90/39,943.46 = 9,986.86/x
  3. Step 3: Cross multiply
    26,635.90x = 39,943.46 × 9,986.86
  4. Step 4: Simplify right side
    26,635.90x = 398,909,518.25
  5. Step 5: Solve for x
    x = 398,909,518.25/26,635.90
  6. Step 6: Final answer
    x = 14,976.39

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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.