Home / 26,635.94-39,943.52-9,986.90

Finding the Fourth Proportional to 26,635.94, 39,943.52 and 9,986.90

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Solution

The fourth proportional to 26,635.94, 39,943.52 and 9,986.90 is: 14,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.94 : 39,943.52 = 9,986.90 : x
  2. Step 2: Convert to fraction form
    26,635.94/39,943.52 = 9,986.90/x
  3. Step 3: Cross multiply
    26,635.94x = 39,943.52 × 9,986.90
  4. Step 4: Simplify right side
    26,635.94x = 398,911,939.89
  5. Step 5: Solve for x
    x = 398,911,939.89/26,635.94
  6. Step 6: Final answer
    x = 14,976.45

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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.